1. Cross a male rat with heterozygous brown fur with female rat with white fur. Note that brown is dominant over white. What is the ratio of the offspring of brown rat and white rat? A. 0% B. 100% C. 50% D. 25% E. 75%
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- In guinea pigs, black fur is dominant over white fur. If a homozygous dominant guinea pig were crossed with a homozygous recessive guinea pig, the first generation of offspring would _____. Select all that apply. a be heterozygous b be phenotypically identical c have all black fur d have half black fur and half white fur e be homozygous1. An albino man whose parents are both normal marries a woman ome of whose parents is normal and the other albino. She has an albino sister. The couple has a normal son. a.Is albinism a dominant or a recessive trait? Explain your answer B. Give genotypes of all the persons involved. C.The couple plans to have more kids. What is the probability of their second child being normal1. A gardener harvested 3,697 seeds from cross breeding a pure line red-flower petunia and pure line white-flower petunia. Then, he planted the harvested seeds in a 25x25 m plot. He was shocked that all of his planted petunias produced red flowers. Why? A. The red flower petunia is a dominant trait. B. The red flower petunia is a recessive trait. C. The white flower petunia is a dominant trait. D. The white flower petunia has a heterozygous genotype in flower color. 2. A veterinary doctor found a long tail female cat along the way going to her clinic. She wanted to know if the long tail female cat is a pure breed/line or not? So as a Biology student with genetic subject, which of the following choices can you correctly suggest to her? Considering the long tail trait as dominant trait. A. She must cross breed it with a short tail female cat B. She must do a back cross breeding with a short tail male cat C. She must run a molecular test for the long tail female cat…
- a) how many degree of freedom b) what is the chi square value c) what is the percentage assurance d) is your data a good fit for the ration you expected. Previous question asks in pea plants stem length is either long dominant or short recessive. 2 heterozygous long pea plants were crossed. The progeny included 402 pea plants, 308 of which were long and 94 of which were short. The ratio is 3:1Among a species of butterflies,the color blue (b) is a dominant trait. Yellow color (b) is recessive trait.if a pure blue butterfly (bb) mates with a pure yellow (bb),what will the offspring look like a) they will all be blue b) they will all be yellow c) half will be yellow half will be blue d) about 75% will be blue and 25% will be yellowA male dog with the genotype GgBb is crossed with a female dog with the genotype GgBb. Set up a punnet square Note: Gray hair (GG) is dominant over white hair (gg); Black eyes (BB) is dominant over red eyes (bb). (a) How many out of 16 have gray fur and black eyes? (b) How many out of 16 have gray fur and red eyes? (c) How many out of 16 have white fur and black eyes? (d) How many out of 16 have white fur and eyes red? Write the phenotypic ratio.
- 1. An albino man whose parents are both normal marries a woman one whose parents is normal and the other albino. She has an albino sister. The couple has a normal son. a. Is albinism a dominant or a recessive trait? Explain your answer. b.Give genotypes of all the persons involved. c. The couple plans to have more kids. What is the probability of their second child being normal?1. The probability of an offspring having all the recessive traits from the cross AaBBCc X AaBbCC is: a.one-sixteenth b.three-fourth c.zero d.nine-sixteenth 2. The probability of an offspring having all the dominant traits from the cross AaBBCc X AaBbCC is: a.three-fourth b.one-sixteenth c.nine-sixteenth d.zero1. A disease is known to be inherited through an ADHL mode of inheritance. For a pairing of two affected individuals, what is the expected proportion of offspring that will be affected AND female? A. 0. B. 0.667. C. 0.333.
- 2) Breed C averages 230 lbs, breed D averages 150 lbs, and the percent heterosis is 8%. Calculate the average phenotype of the F11. Incomplete dominance governs the pigment gene of a flower. A mating between heterozygotes yields the following phenotypic ratio: 10 yellow flowers, 35 pink flowers and white flowers. Which statement describes the situation? a. The flower pigment gene is defined by a pink and yellow allele. b. The heterozygotes were yellow. c. The heterozygotes were white. d. The flower pigment gene is defined by a red and a white allele. 2. Mendel's rules do not correctly predict patterns of inheritance for tightly linked genes or the inheritance of alleles that show incomplete dominance. Does this mean that his hypotheses are incorrect? A. Yes, because they are relevant to only a small number of organisms and traits. b. Yes, because not all data support his hypotheses. c. No, because he was not aware of meiosis or the chromosome theory of inheritance. d. No, it just means that his hypotheses are limited to certain conditions. 3. Discuss the inheritance of hemophiliaA purebred plant that produces yellow seeds (YY) is crossed with a purebred plant that produces green seeds (yy). The seeds of all of the offspring are yellow. Why? A. The yellow allele is recessive to the green allele. B. All of the offspring are homozygous yellow. C. The alleles are codominant. D. The yellow allele is (completely) dominant to the green allele.