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ta University x earning.com/ibiscms/mod/ibis/view.php?id-5473598 Jump to.. Sapling Learning Ma Suppose a graduate student is studying a loss-of-function mutation in the mouse gene Whereas wild il looks like mice have straight tails, mutant mice have tails with two sharp kinks, so that letter Z. To determine how the zigzag phenotype is inherited, he performs the crosses listed in the first column of the table below, using parents from true breeding lines. Three possible sets of results from these crosses are shown. Determine the mode of inheritance of the zigzag gene that would yield each result set. Set A Set B Set C Cross 1 female X type male males type females all zigzag all zigzag Cross 2 Intercross F from cross 1 1/2 wild type all zigzag distributed among 1/2 males and females all wild type 1/2 zigzag, 1/2 wild type equally distributed among males and females all wild type Cross 3 wild type female X zigzag male Cross 4 Intercross F, from cross 3 all wild type 1/2 wild type 1/4 zigzag males 1/2 wild type females all wild type 1/4 wild type males equally distributed among males and females Mode of inheritance X-linked recessive cytoplasmic genomic imprinting maternal effect genomic imprinting inheritance (maternal allele is inactive) inheritance inheritance (paternal allele is inactive) Previous D Check Answer Next
Explanation / Answer
Maternal effect inheritance.
Because the zigzag female x character is expressed in all the generation so the maternal character is expressed throughout all the sets..
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