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Leni [432]
2 years ago
8

Gametophytes have gamete-producing organs called _____.

Biology
1 answer:
Flura [38]2 years ago
4 0
<span>The cells from the male and female that combine to form a zygote are called gametes. The main job of the gametophyte is gamete production. Gametes are haploid reproductive cells. Gametes are produced in the sex organs on the haploid gametophyte by mitosis or cellular division without reduction of chromosomes sets. There are two sex organs; <u>archegonium</u> which is found in the female sex organ producing egg cell and <u>antheridium</u> which is found in the male sex organ producing sperm cells.</span>
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The presence of genetic variations among the individuals of a population is required for natural selection to be operative. Natural selection targets the beneficial genetic variations present in the population. Natural selection refers to the differential reproductive and survival success of organisms of a population due to some beneficial genetic traits. These organisms with beneficial genetic traits are able to survive and leave more progeny under prevailing conditions.

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Under these conditions, natural selection would favor the finches with larger beak size and would eventually result in an increase in the average beak size of the future generations.

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