Here is a Punnett square <span> that shows a cross between a heterozygous red bull (Rr) and a heterozygous red cow (Rr).

Since the phenotype is unknown, we could say it's short ( RR) (Rr) and long (rr)
Since it's mixed, we could say that the ratio is 3/1</span>

7 0

3 years ago

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Skeletal muscles are arranged in antagonistic pairs. What does this mean and what is an example?

ValentinkaMS [17]

Answer: E. When one contracts, the other relaxes and this allows the bones to move; triceps and biceps.

Explanation:

Antagonistic action occurs between the two pairs of muscles. In this action one muscle while contracts other muscle relaxes. The example of antagonistic pair is of biceps and triceps. The triceps remain in the relax phase while the biceps contracts so as to lift the arm.

4 0

4 years ago

Where is the DNA located ​

Where is the DNA located