9. In the F2 Generation, both the male and female pea plants are heterozygous for round/wrinkles seeds. 1) Draw a Punnett square that shows this cross. 2)What are the possible genotypes? 3)What are the possible phenotypes?
Q: 5. In corn, kernel color is controlled by Gene K, with the dominant K allele producing colorful…
A: Zygosity is a phenomenon that determines the similarity in the genetic sequences of the two copies…
Q: 6. You cross a purple flowered plant with a white flowered plant. If the purple flowered plant is…
A: In this question, we are given with two different traits of a gene which controls color of flower…
Q: 6. Consider this pedigree for an X-linked dominant trait. What would be the genotypes of each…
A: The pedigree is the family tree diagram used to represent the pattern of inheritance in the family.…
Q: 6. Suppose that these are offspring that are observed from the cross in #S. colorful, green…
A: A gene is a unit of genetic material and alleles are the alternative form of genes present on the…
Q: 3. STATEMENT: Color-blindness is due to a sex-linked recessive gene. A colorblind man marries a…
A:
Q: 6. The pedigree below traces the inheritance of a particular disorder. Circles are females, squares…
A: The tabular representation of family history by taking into consideration a disease or character…
Q: 3) A. How are the following proteins involved in cell division: condensing, cohesin, kinetochore…
A: The genotype is a combination of alleles of a gene that gives a person unique characteristics.…
Q: 1. Write the possible genotypes(s) for the following conditions: a. Homozygous pea plant with…
A: Homozygous- when both alleles of a gene are similar then the individuals is called homozygous The…
Q: 5. If a heterozygous white horse male from an F1 hybrid mates with a recessive brown horse female;…
A: Given information: Heterozygous white horse male mates with recessive brown horse female. White is…
Q: 4. If several pea plants with the genotype TTYY are crossed with pea plants with the genotype Tlyy,…
A: As per bartleby guidelines we are only suppose to answer one question kindly post the other one…
Q: 8. Two rabbits that are heterozygous for grey hair and black eyes are crossed. What are the…
A: In the question given here, both the parents are heterozygous for the traits of Grey Hair and Black…
Q: 2. Show the cross and provide full justification in each case:a) An F1 x F1 self-fertilization gives…
A: Hi! As you have posted multiple questions, I would be answering the first two sub-parts for you. If…
Q: 7- Consider the pedigree. What is the probabilty of individual 18 being affected? Key Unaffected 1…
A: 50%
Q: 6. Dihybrid crosses. A pea plant that is heterozygous for seed form and flower color is crossed with…
A: The phenotypes of parents are given as:1. Heterozygous for Seed form/shape and flower colour =…
Q: 2. Three different pure-breeding strains of corn that produce ears with white kernels were crossed…
A: A true-breeding or a pure-breeding plant is one that, when self-fertilized, only produces offspring…
Q: 1. If you crossed two plants from the F, generation, what procedure would you follow to determine…
A: Please find answer in step2
Q: 4. The following two genotypes are crossed: Aa Bb Cc dd Ee × Aa bb Cc Dd Ee. What will the…
A: As per the honor code we answer only three subparts at a time. Therefore, we are answering the first…
Q: 8. Suppose that these are offspring that are observed from the cross in #7. Brown, chinchilla 31…
A: A gene is a unit of genetic material and alleles are the alternative form of genes present on the…
Q: In garden peas, yellow (Y) seed color is dominant to green (y). Because yellow and green are two…
A: The alleles are generally of dominant and recessive type and some other forms like codominant are…
Q: 5) If a cross gives a 2:2 phenotypic ratio, what are the genotypes of the parents?
A: the phenotypic ratio is the ratio of the no. of offsprings that show very similar characters and…
Q: A pure breeding dark blue flowered plant is crossed with a pure breeding white flowered plant and…
A: A pure breeding dark blue flowered plant and a pure breeding white flowered plant are crossed And…
Q: 5. Cross a Hooked Nose-tail bearing Hobbit with a heterozygous straight nosed none-tail bearing…
A: Cross between a hooked nose-tail bearing hobbit with a heterozygous straight nosed none-tail bearing…
Q: 4. If several pea plants with the genotype TTYY are crossed with pea plants with the genotype Ttyy,…
A: There will be two heterozygous plant crosses as a result: T T T TT TT t Tt Tt Y y…
Q: 5) Assume that a man and a woman are both known to be heterozygotes, Aa, carriers of the autosomal…
A: Alleles are the different variants of a gene. Alleles produce the phenotypic changes in an…
Q: 4. A pea plant heterozygous for pod color is crossed with a pure green-pod plant. Show the cross and…
A:
Q: 8. Assume that black fur is dominant to white fur for cats. When a black cat of an unknown genotype…
A: Suppose that the fur color in cats is controlled by: A= dominant allele responsible for black fur a=…
Q: 1 11 9 10 Study the pedigree diagram of a sex- linked trait above and answer the following…
A: X-linked trait The trait or phenotype which is transfer with X- chromosomes are known as X-linked…
Q: 1. A homozygous red Japanese four o'clock plant (RR) is crossed with a homozygous white Japanese…
A: Incomplete dominance is a special type of gene expression where both genes are expressed partially.…
Q: 4. For pedigree below, gray is unaffected and black shaded are affected. What is the most likely…
A: Scientists have devised another approach,called pedigree analysis,to study the inheritance of genes…
Q: 2. In a certain rose variety, thorny stems ( t) are recessive to smooth stems (T) and having white…
A: To determine whether the heterozygote is in coupling or repulsion, just look at the parental…
Q: 4. Colorblindness is an X-linked trait caused by a recessive allele. A carrier female marries a…
A: Color-blindness is an X-linked recessive trait males have only one X chromosome and presence of…
Q: 6. Illustrate the dihybrid cross from the parental generation through the F1 and F2 generations. Use…
A: The condition where two identical genes are present in an individual for a particular character, is…
Q: 10 11 Study the pedigree diagram of a sex- linked trait above and answer the following questions:…
A: Genotype of individual 5 is - b - X^RX^r Genotype of individual 3 is - b- X^rY Genotype of…
Q: 5. The following recessive traits are found in fruit flies: vermilion eyes are recessive to red…
A:
Q: a. What are the genotypes of the F2 generation? b. What are their phenotypes? C. Are there more or…
A:
Q: 1. In a certain plant, yellow fruit, Y, is dominant to white fruit, y. A heterozygous plant with…
A: Phenotype is the physical appeance of an organism. Genotype is the genetic makeup of an organism.
Q: 6. A plant breeder crossed.a red flowered hibiscus plant with a yellow flowered hibiscus, offspring…
A: Incomplete dominance When neither of the Alleles are dominant , then incomplete dominance is said…
Q: 2 Considering the Mendelian traits round versus wrinkled and yellow versus green, consider the…
A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…
Q: 2. A red snapdragon is crossed with a white snapdragon plant. Red pigment is incompletely dominant…
A: Sometimes, a cross between organisms with two different phenotypes produces offspring with a third…
Q: 3. What is the genotypic ratio of the testcross shown in Figure 4?
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 1. An albino man whose parents are both normal marries a woman one of whose parents is normal and…
A: Given information Albino man has parents who are both normal. He marries a woman who has one normal…
Q: Imagine you have crossed a pure breeding purple flower and pinched pod shape pea plant with a pure…
A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…
Q: 9. A true-breeding blue-flower, wrinkled-seed, short-stem, yellow-leaf plant was crossed with a…
A: Let's Blue flowers BB Red flowers bb Wrinkle seed ww Round seed WW Shirt stem ll Long stem LL…
Q: 7. In simple terms, describe how crossing over is carried out. How does it generate variability?
A: Introduction : Meiosis is a specific type of cell division that is essential for the production of…
Q: 1. You have a dihybrid cross between two round yellow pea plants, RrGg x RrGg. a. How many different…
A: Given that, a dihybrid cross occurs between two round yellow pea plants. Here, round and yellow…
Q: 9. A pigment-eyed, dimple-chinned man marries a blue-eyed woman without a dimpled chin. Their first-…
A: Dihybrid cross : involves two characters (traits) at a time. Homozygous: same type of alleles for a…
Q: c) Note the following dihybrid cross: Parent 1 is crossed with Parent 2 a pea plant that is…
A: It is given that green color pod is dominant over yellow pea pod and smooth seeds are dominant over…
Q: 3. If two gene pairs A and a and Band bare assorting independently with A dominant to a and B…
A: As per Bartleby guidelines we are only permitted to solve 3 sub parts please post the other…
Q: 6. In peas, long stem "A" is dominant over short stem, "a". Give the expected genotypes, phenotypes…
A: 1- Since you have asked multiple questions, we will solve the first question for you. If you want…
Q: 3.9 How many different kinds of F, gametes, F, genotypes, and F, phenotypes would be expected from…
A: Gregor Johann Mendel is considered to be the father of Genetics. he came up with the three laws of…
Step by step
Solved in 2 steps with 1 images
- 1. The allele G for yellow stigma is completely dominant to green (g). Supposingtwo strains of autotetraploid plants are available and their genotypes are as follows:GGgg – in this plant the gene is close to the centromereGggg – in this plant the gene is far from the centromere If these two plants are crossed:a) provide the gametes that can be obtained from the two plants;b) provide the genotypic and phenotypic ratios of the offspring. 2. Consider the illustration below. Diagram the configuration you would observe at Anaphase I if crossing-over happens within the inversion. (IMAGE ATTACHED)1. Complete the Punnett square for a cross between a homozygous red-flowered snapdragon (RR) and a homozygous white-flowered snapdragon (WW). Give the ratio for the phenotype and the genotype. Key F1 Genotypic Ratio: RR – red Phenotypic Ratio: wW- white RW- pink 2. Complete the Punnett Square for a cross between two Fi plants (WW). Give the phenotypic ratio for the F2 generation. F2 Phenotypic ratio: 3. Cite some possible applications of genetics to plant breeding.3.) A Heterozygous tall heterozygous red flowered plant is crossed with a Homozygous short white flowered plant. What is the genotype of the heterozygous tall heterozygous red flowered plant? TtRr What is the genotype of the homozygous short white flowered plant? ttrr Fill in the genotype in the parentheses and FOIL each parent’s genotypes: heterozygous tall heterozygous red flowered plant ( homozygous short white flowered plant (
- 1. Sunflowers with small flowers measuring 10 cm in diameter are crossed with plants that have large flowers with a diameter of 16cm. All offspring in the F1 generation have medium size flowers with 13 cm in diameter. When crossing two F1 generation flowers, the F2 generation shows 4 flowers are 10 cm in diameter and 4 are 16 cm in diameter. Between these are 5 phenotypic classes with diameters intermediate to those at the extremes. a) Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size? b) How much does each additive allele contribute to flower diameter? c) What size flower makes up the largest phenotypic class?2. Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes in the F2 progeny. If the alleles are epistatic, what would you predict? A) more than four phenotypes B) fewer than four phenotypes C) heterozygotes with a novel phenotype between the dominant and recessive homozygotes D) 1/3 of the progeny with the dominant phenotypes and 2/3 recessive E) no change in the 9:3:3:1 ratio3.) A Heterozygous tall heterozygous red flowered plant is crossed with a Homozygous short white flowered plant. What is the genotype of the heterozygous tall heterozygous red flowered plant? What is the genotype of the homozygous short white flowered plant? Fill in the genotype in the parentheses and FOIL each parent’s genotypes: heterozygous tall heterozygous red flowered plant ( homozygous short white flowered plant ( How many of the 16 offspring are: tall & red tall & white short & red short & white
- 4. In pea plants, tall (T) plants are dominant to short (t), and green pods (G) are dominant to yellow (g). Perform a Punnett square analysis for the following crosses, with the parental gametes and all possible offspring genotypes that could be produced. **Include the phenotypic ratios for the offspring. (a) TtGG × TTgg3.) A Heterozygous tall heterozygous red flowered plant is crossed with a Homozygous short white flowered plant. What is the genotype of the heterozygous tall heterozygous red flowered plant? What is the genotype of the homozygous short white flowered plant? Fill in the genotype in the parentheses and FOIL each parent's genotypes: heterozygous tall heterozygous red flowered plant ( homozygous short white flowered plant (7. Purebred lines of wild-type fruit flies (gray body and normal wings) are mated to flies with black bodies and vestigial wings. The resulting F1 offspring all have a normal phenotype. The F1 flies are crossed with flies recessive for both traits (black bodies and vestigial wings). a) What phenotypes and ratios of phenotypes would be expected in the F2? b) The actual F2 results are as follows: -Gray body, normal wings 965 - Black body, vestigial wings 944 -Black body normal wings 206 -Gray body, vestigial wings 185 How could you explain these results?
- 1. A wild-type trihybrid soybean plant is crossed to a pure-breeding soybean plant with the recessive phenotypes pale leaf (1), oval seed (r), and short height (t). The results of the 3-point test cross are show below. Traits not listed are WT. a)What are the alleles on each homologous chromosome of the parental wild-type trihybrid soybean plant? Place the alleles in their correct gene order. Use L, R, and Phenotype Number Pale 648 Pale, oval Pale, short Pale, oval, short 64 10 I to represent dominant alleles and I, r, and t for recessive 102 alleles. Oval b) Calculate the recombination frequencies between the adjacent genes and label on your gene map. Oval, short 618 Short 84 Wild Type (all 3 loci) 98 Total 16303. When Mendel cross- fertilised tall purple-flowered pea plants with short white-flowered pea plan and grew the resulting seeds. All the F1 generation were tall with purple flowers. a) Draw a genetic diagram to show the genotypes and phenotypes of the F1 generation b) Construct a punnett square to predict the outcomes of the phenotypes produced if the F1 generation were allowed to self fertilise. What is the phenotypic ratio?1. P is a dominant allele for purple flowers and p is the recessive allele that causes white flowers. The following cross is performed: Pp x pp. What percentage of offspring would you expect to have white flowers? 2. In peas, T (tall) is dominant to t (dwarf). A homozygous dominant plant is crossed to a heterozygous plant. What is the expected outcome for the genotype ratio of offspring from this cross? What percentage of offspring would you expect to be tall? 3. In peas, Y (yellow seeds) is dominant to y (green seeds) and R (round seeds) is dominant to r (wrinkled seeds). The following cross is performed: YYRr x yyrr. What is the expected phenotype ratio of the offspring?