BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 13, Problem 9SA
Assuming complete dominance, crosses between two dihybrid F1 pea plant, which are offspring from a cross
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c.
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d.
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Students have asked these similar questions
A cross occurs between a black homozygous mouse and a white homozygous mouse. They produce gray offspring.
What type of dominance is reflected in the scenario above?
a. codominance
b. incomplete dominance
c. complete dominance
d. blending of genes
A cross between homozygous purple-flowered and homozygous white-flowered pea plants results in offspring with purple flowers. This demonstrates
Group of answer choices
a. dominance.
b. true-breeding.
c. the mistakes made by Mendel.
d. the blending model of genetics.
e. a dihybrid cross.
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 homozygous
Chapter 13 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 13 - A heterozygous individual has _______ for a trait...Ch. 13 - An organisms observable traits constitute its...Ch. 13 - In genetics, F stands for filial, which means...Ch. 13 - The offspring of the cross AAaa are ________. a....Ch. 13 - The second-generation offspring of a cross between...Ch. 13 - Refer to question 4. Assuming complete dominance,...Ch. 13 - Independent assortment means _______. a. alleles...Ch. 13 - A testcross is a way to determine _________. a....Ch. 13 - Assuming complete dominance, crosses between two...Ch. 13 - The probability of a crossover occurring between...
Ch. 13 - True or false? All traits are inherited in a...Ch. 13 - One gene that affects three traits is an example...Ch. 13 - ________ in a trait is indicated by a bell curve.Ch. 13 - The phenotype of individuals heterozygous for...Ch. 13 - Match the terms with the best description. ___...Ch. 13 - Mendel crossed a true-breeding pea plant with...Ch. 13 - Assuming that independent assortment occurs during...Ch. 13 - Determine the predicted genotype frequencies among...Ch. 13 - Prob. 4GPCh. 13 - A single allele gives rise to the HbS form of...Ch. 13 - In sweet pea plant, an allele for purple flowers...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Refer to question 5. Assuming complete dominance, the F2 generation will show a phenotypic ratio of ________. a. 3:1 b. 9:1 c. 1:2:1 d. 9:3:3:1 Question No. 5 5. The offspring of the cross AA aa are ________. a. all AA b. all aa c. all Aa d. half are AA and half are aaarrow_forwardThe F1 flies described in question 1 were mated with brown-eyed flies from a true-breeding line. What phenotypes would you expect the offspring to have? (a) all with red eyes (b) all with brown eyes (c) half with red eyes and half with brown eyes (d) red-eyed females and brown-eyed males (e) brown-eyed females and red-eyed malesarrow_forwardIn tomatoes, red fruit (R) is dominant over yellow fruit (r). Five generations of red tomato plants were crossed to each other without producing any yellow tomato plants. It can be hypothesized that the red tomato plant must be Select one: a. Homozygous b. Recessive c. Dominant d. Heterozygousarrow_forward
- In Mendels breeding experiment on garden pea, the offspring of F2 generation are obtained in the ratio of 25% pure yellow pod, 50% hybrid green pods and 25% green pods State (i) which pod colour is dominant (ii) The Phenotypes of the individuals of F1generation. (iii) Workout the cross.arrow_forwardYou have a pure breeding line of tall corn and a purebreeding line of short corn. When you cross them what do you expect the phenotype of the F1 to be? Group of answer choices A. impossible to tell with the information given B. all medium height C. 3/4 tall and 1/4 short D. all short E. all tallarrow_forwardA testcross with a homozygous dominant genotype should lead to progeny that: a. All have a homozygous dominant genotype b. All exhibit a recessive phenotype c. All exhibit a dominant phenotype d. All die, since exclusively homozygous recessive progeny are made e. Have a 3:1 dominant to recessive phenotypearrow_forward
- A gardener pertorms a mononybra cross on two heterozygous orange-fruitea tomato plants. Plants expressing the recessive phenotype yield yellow tomato fruits. What percentage of the offspring will produce yellow tomatoes? A:75% B:50% C:100% D:25%arrow_forwardA particular flower can be purple, blue, red or white. Two different pure-breeding white plants are crossed and the F1 are then crossed to produce an F2 generation. What might a 9:7 phenotypic ratio in the F2 indicate? A) additivity B) codominance C) recessive lethality D) reciprocal recessive epistasis E) dominant epistasis Explain each answer.arrow_forwardIn a cross between a black and a white guinea pig, all membersof the F1 generation are black. The F2 generation is made up ofapproximately 3/4 black and 1/4 white guinea pigs. Diagram thiscross, and show the genotypes and phenotypes.arrow_forward
- Two unlinked genese control fur color in gerbils. You cross a true breeding black furred gerbil and a true breeding brown furred gerbil. All of the offsprings are black furred. When you intercross these F1's, the offsprins occur in a ratio of 15 blacks: 1 brown furred. What genotype made up the black furred offspringarrow_forwardBased on the allelic gene interaction in Australian milking shorthorn cattle breeds, the mating of a red cattle (RR) and white cattle is depicted in the picture below. What is gene interaction involved in this resulting coat color of the offspring? see photo attached a. Complete dominance b. Incomplete dominance c. Codominance d. Additive gene actionarrow_forwardGive only typing answer with explanation and conclusion In corn three dominant genes are necessary for aleurone color. The genotype B__D__R is colored. Any homozygous recessive for one gene is colorless. Predict the expected phenotypic ratio COLORED: COLORLESS offspring from the cross of BbDdrr x BbDdRr. The answer is 9:23 Need full explanationarrow_forward
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