3 years ago

I need help with questions 20-24 please.

Biology

1 answer:

Leviafan [203]3 years ago

3 0

Answer:

20:Yes,individual #1 is XBXb,as the mother passes on the recessive Xb to her sons. The son individual #2 in generation 2 is affected by the recessive gene which he can only inherit from his mother.

21:mother

22:Sex-linked are Gene's carried on the sex Gene's chromosomal pair 23 whereas autosomal can be carried by any of the other 22 chromosomal pairs.

23:one

24:Yes

100% shaded,all 3 individuals

Homozygous dominant(HH) crossed with homozygous recessive (hh) yields a probability of 100% Hh.

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