Genetics Final 2008 Spring pg 6

Genetics Final 2008 Spring pg 6 - If this female mates with...

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25. A female is heterozygous for the hb-m gene which is a maternal effect gene that sets up concentration gradients during Anterior-Posterior development. The female contains one functional copy of hb-m and one non-functional copy. Functional copies show dominance to non-functional copies. Zygotes containing only non-functional hb-m proteins will die prior to birth whereas a functional protein will result in normal development.
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Unformatted text preview: If this female mates with a homozygous recessive male, which of the following will be true of the offspring? a. 25% will develop normally and 75% will die b. 50% will develop normally and 50% will die c. 75% will develop normally and 25% will die d. All offspring will develop normally e. All offspring will die 26. Describe the developmental processes of the Anterior/Posterior axis in Drosophila melanogaster . (8)...
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