23 pairs or 46 individual chromosomes
Answer:
an unhealthy climate unhealthy habits unhealthy foods. 2 : not in good health : sickly, diseased unhealthy animals. 3a : risky, unsound an unhealthy economy. b : of a harmful nature : bad, injurious unhealthy levels of lead.
Explanation:
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Skin Pigmentation in humans
Explanation: Polygenic inheritance- It is simply a single characteristic which is controlled by more than two genes. Human skin's color is determined by the amount of dark pigment it has which is melanin
. Minimum four genes are involved in the melanin production.
It is a case of continuous variation as the combination of melanin producing allele are responsible for degree of pigmentation