Iroduction to Genes. Mastery Test S Test
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Among cattle, hang horns is a recessive trait. cattle without horns, which are called polled cattle are common Suppose a homed male mated
with a polled female. Their spring are all polled on maturity, two cattle of the F1 generation mated. Their offspring are a mix of polled and
F1 generation
F2 generation
D
p
Р
D
P
Pp
Pp
P
PP
Pp
P
Pp
Pp
P
Pp