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Shalnov [3]
3 years ago
13

Directions: Type your answer in the box. You may use numerals or words.

Biology
2 answers:
julia-pushkina [17]3 years ago
6 0

Answer:

The answer is 9

Explanation:

There are nine (9) possible genotypes resulting from the dihybrid cross. They are: RRTT, RRTt, RRtt, RrTT, RrTt, Rrtt, rrTT, rrtt, and rrTt.

kobusy [5.1K]3 years ago
3 0

Answer: the answer is 4

Explanation:

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A sexual reproduction produces offspring that are identical to the parent. Sexual reproduction allows for diploid gametes to combine to increase genetic variation.

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Hormones released by the endocrine system travel in the blood until they find their specific target cell.
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Explanation:

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2 years ago
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Answer:

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Explanation:

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The  blood thus become oxygenated,and therefore return through the pulmonary veins to the left ventricle.

From the left ventricle ,through ventricular systole,blood is empty into the aorta through the aortic valves into the  systemic circulation.

Although,they carry blood away from the heart,but the blood is de oxygenated instead of the usual oxygenated by arteries,They are still regarded as arteries  because of convey of blood away from the heart,a typical role of arteries

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