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elixir [45]
3 years ago
14

Is it true that hydrogen bonds hold two strands of DNA together by forming between nitrogen bases

Biology
1 answer:
vekshin13 years ago
4 0
Hydrogen bonds hold the bases in DNA. It is the weakest bond so that DNA can go throught translation, 
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cats tail length is a trait that is incomplete dominant. when a cat witha short tail length is crossed witha long tail, the offs
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Answer:

50% medium tail and 50% short tail.

Explanation:

Let the allele that controls the tail length in cat be represented by T.

Cats with short tail length will have the genotype of tt.

Cats with long tail length will have the genotype of TT.

Since the trait exhibit incomplete dominance, cats with medium tail length will have the genotype of Tt.

A short tail cat (tt) is crossed with a medium tail cat (Tt).

tt   x   Tt = Tt, tt, Tt, and tt

<em>Recall that phenotypically, Tt = medium tail and tt = short tail. Hence, 1/2 or 50% of the offspring will have medium tails while the remaining 1/2 or 50% will have short tails.</em>

Hence, the possibilities are 50% medium and 50% short tail cats.

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