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ale4655 [162]
3 years ago
12

What chemical caused the decline of the eagle population

Biology
1 answer:
valkas [14]3 years ago
8 0
The chemical that caused decline of the eagle population is pesticide DDT
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Opsins are proteins that are found in the light-sensing cells in the human eye. Different opsin proteins are sensitive to differ
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Women who carry one copy of the mutated gene still have normal color vision because they have another copy, which is not mutated, in the other X chromosome that will be the dominant one. As a result, the women are carriers of the mutated gene but not color blind.

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Colorblindness is a sex-linked mutation. A woman has two X chromosomes, while a man has one X chromosome and one Y chromosome. The mutated gene that causes color blindness is on the X chromosome, and it is OPN1LW. So if a woman has one mutated OPN1LW in one of her two X chromosomes, the OPN1LW gene in the other X chromosome will be the dominant one stopping the woman from being colorblind.

In the case of men, as they only have one X chromosome, if there is a mutation on the OPN1LW in the X chromosome, the men will be colorblind because there is no extra copy of the gene, as it is in women.

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