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Question 10 Listen A particular gene affects eye size in fruit flies. For one dominant allele, 99% of the flies carrying this allele have smaller eyes, but most are only about 10% smaller than flies that are homozygous for the recessive allele. This is in contrast to a different dominant allele in which the eyes are only 30% of the size of the flies that are homozygous recessive. True or False: This allele is highly penetrant but shows low expressivity a) True b) False

Question 10 Listen A particular gene affects eye size in fruit flies. For one dominant allele, 99% of the flies carrying this allele have smaller eyes, but most are only about 10% smaller than flies that are homozygous for the recessive allele. This is in contrast to a different dominant allele in which the eyes are only 30% of the size of the flies that are homozygous recessive. True or False: This allele is highly penetrant but shows low expressivity a) True b) False

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Genetics Question 10

Question 10 Listen A particular gene affects eye size in fruit flies. For one dominant allele, 99% of the flies carrying this allele have smaller eyes, but most are only about 10% smaller than flies that are homozygous for the recessive allele. This is in contrast to a different dominant allele in which the eyes are only 30% of the size of the flies that are homozygous recessive. True or False: This allele is highly penetrant but shows low expressivity a) True b) False
Transcribed Image Text:Question 10 Listen A particular gene affects eye size in fruit flies. For one dominant allele, 99% of the flies carrying this allele have smaller eyes, but most are only about 10% smaller than flies that are homozygous for the recessive allele. This is in contrast to a different dominant allele in which the eyes are only 30% of the size of the flies that are homozygous recessive. True or False: This allele is highly penetrant but shows low expressivity a) True b) False
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