In mice, a dominant allele that causes a short tail is located on chromosome 2. On chromosome 3, a recessive allele causing droopyears is 6 mu away from another recessive allele that causes a flakytail. A recessive allele that causes a jerker (uncoordinated) phenotypeis located on chromosome 4. A jerker mouse with droopy earsand a short, flaky tail was crossed to a normal mouse. All the F1generation mice were phenotypically normal, except they had shorttails. These F1 mice were then testcrossed to jerker mice with droopyears and long, flaky tails. If this testcross produces 400 offspring, whatare the expected numbers of the 16 possible phenotypic categories?
In mice, a dominant allele that causes a short tail is located on chromosome 2. On chromosome 3, a recessive allele causing droopyears is 6 mu away from another recessive allele that causes a flakytail. A recessive allele that causes a jerker (uncoordinated) phenotypeis located on chromosome 4. A jerker mouse with droopy earsand a short, flaky tail was crossed to a normal mouse. All the F1generation mice were phenotypically normal, except they had shorttails. These F1 mice were then testcrossed to jerker mice with droopyears and long, flaky tails. If this testcross produces 400 offspring, whatare the expected numbers of the 16 possible phenotypic categories?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In mice, a dominant allele that causes a short tail is located on chromosome 2. On chromosome 3, a recessive allele causing droopy
ears is 6 mu away from another recessive allele that causes a flaky
tail. A recessive allele that causes a jerker (uncoordinated) phenotype
is located on chromosome 4. A jerker mouse with droopy ears
and a short, flaky tail was crossed to a normal mouse. All the F1
generation mice were phenotypically normal, except they had short
tails. These F1 mice were then testcrossed to jerker mice with droopy
ears and long, flaky tails. If this testcross produces 400 offspring, what
are the expected numbers of the 16 possible
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