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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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lemmona lemmona
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11 years ago
"Bent" B, a dominant sex linked trait in mouse, result is a short, crooked tail. Its recessive allele, b produces a normal tail. If a normal tailed female is mated to a bent tailed male, what should occur in the F1

____BENT         _____NORMAL
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#1
11 years ago
2 bent , 2 normal? i'm pretty sure though i haven't looked at genetics for over 10 years. hope this helps.
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#2
11 years ago
X(B)X(B) crossed with X(b)Y(b) = Bb, Bb, Bb, Bb
In a dominant homozygous, all F1 have crooked tails

X(B)X(b) crossed with X(b)Y(b) = Bb,  bb, Bb, bb
In dominant heterozygous, all F1 is 50/50
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#8#8
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11 years ago
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