minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. 1. a. A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the F1 generation. What color were they? b. Two of the offspring from the F1 generation above were mated. What would the genotypic and phenotypic ratios be in the F2 generation?

minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. 1. a. A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the F1 generation. What color were they? b. Two of the offspring from the F1 generation above were mated. What would the genotypic and phenotypic ratios be in the F2 generation?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter12: Mendel, Genes, And Inheritance

Section12.2: Later Modifications And Additions To Mendel’s Principles

Problem 2SB: A true-breeding rabbit with agouti (mottled, grayish brown) fur crossed with a true-breeding rabbit...

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Question

Monohybrid cross

1. In minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele
for silverblue (b) coats.
a. A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the
F1 generation. What color were they?
b. Two of the offspring from the F1 generation above were mated. What would the genotypic
and phenotypic ratios be in the F2 generation?
2. In domestic cats, the gene for Tabby stripes (T) is dominant over the gene for no stripes (1).
If a breeder crossed a heterozygous Tabby cat with a stripeless cat, what
uld have tabby stripes?
|丁 E

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