Question 1 You are doing a genetics experiment with the fruit fly. In the "P" generation, you cross two true-breeding flies. The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1 generation are brown and have normal wings. Indicate the alleles associated with dominant phenotypes by uppercase letters and alleles associated with recessive phenotypes by lowercase letters. Assume the genes are not found on a sex chromosome. Indicate the color alleles as "B" and "b" the wing alleles by the letters "N" and "n". a) The genotypes of the flies in the P generation are: female and male. b) The genotype of the flies in the F1 generation is: c) You now take an F1 female and cross her to a true-breeding black, wingless male. This male's genotype is: _

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
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Chapter13: Genes, Chromosomes, And Human Genetics
Section: Chapter Questions
Problem 8TYK: Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene...
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Question 1
You are doing a genetics experiment with the fruit fly. In the "P" generation, you cross two true-breeding flies.
The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1
generation are brown and have normal wings.
Indicate the alleles associated with dominant phenotypes by uppercase letters and alleles associated with
recessive phenotypes by lowercase letters. Assume the genes are not found on a sex chromosome. Indicate the
color alleles as "B" and "b" the wing alleles by the letters "N" and "n".
a) The genotypes of the flies in the P generation are:
female
and
male.
b) The genotype of the flies in the F1 generation is:
c) You now take an F1 female and cross her to a true-breeding black, wingless male.
This male's genotype is:
d) You count 1600 offspring in the F2 generation. If the wing and the color traits were linked and no
recombination occurred, you would expect to count:
# of brown, winged flies (of the genotype
# of black, winged flies (of the genotype
# of brown, wingless flies (of the genotype
# of black, wingless flies (of the genotype
Transcribed Image Text:Question 1 You are doing a genetics experiment with the fruit fly. In the "P" generation, you cross two true-breeding flies. The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1 generation are brown and have normal wings. Indicate the alleles associated with dominant phenotypes by uppercase letters and alleles associated with recessive phenotypes by lowercase letters. Assume the genes are not found on a sex chromosome. Indicate the color alleles as "B" and "b" the wing alleles by the letters "N" and "n". a) The genotypes of the flies in the P generation are: female and male. b) The genotype of the flies in the F1 generation is: c) You now take an F1 female and cross her to a true-breeding black, wingless male. This male's genotype is: d) You count 1600 offspring in the F2 generation. If the wing and the color traits were linked and no recombination occurred, you would expect to count: # of brown, winged flies (of the genotype # of black, winged flies (of the genotype # of brown, wingless flies (of the genotype # of black, wingless flies (of the genotype
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