When an embryo is homozygous mutant for the gap gene Kr, the fourth and fifth stripes of the pair-rule gene ftz (counting from the anterior end) do not form normally. When the gap gene kni is mutant, the fifth and sixth ftz stripes do not form normally. Explain these results in regard to how segment number is established in the embryo
When an embryo is homozygous mutant for the gap gene Kr, the fourth and fifth stripes of the pair-rule gene ftz (counting from the anterior end) do not form normally. When the gap gene kni is mutant, the fifth and sixth ftz stripes do not form normally. Explain these results in regard to how segment number is established in the embryo
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter17: Developmental Genetics
Section: Chapter Questions
Problem 12TYU
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Question
When an embryo is homozygous mutant for the gap
gene Kr, the fourth and fifth stripes of the pair-rule gene
ftz (counting from the anterior end) do not form normally. When the gap gene kni is mutant, the fifth and
sixth ftz stripes do not form normally. Explain these results in regard to how segment number is established in
the embryo
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