Pollen of a plant is a gamete, that contains half of the alleles are required to produce the plant. Pollen fuse with stigma and complete the required alleles or genetic information.

Possible combinations in pollen would be one allele from each trait in every form either dominant or recessive. So ST, St, sT, st. would be the correct possible genetic combination present in a single grain.

Thus, the correct answer is option D.

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3 years ago

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An object at rest will stay at rest and an object in motion will stay in motion at a constant speed and in the same direction, u

Sidana [21]

This would be Newton's first law of motion as it is a factual statement based on observations.

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3 years ago

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How do planaria regenerate?

Kipish [7]

Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.

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3 years ago

After working a stressful job for years, Kyle has developed high blood pressure and an ulcer. In which stage of the general adap

Katena32 [7]

Answer:hello!

Explanation:

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3 years ago