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vitfil [10]
3 years ago
5

I need help please I need help I need help

Biology
1 answer:
olchik [2.2K]3 years ago
4 0
The answer is d/ the fourth one
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Having a mutated gene ce30 on chromosome 3 that is expressed results in CEL disease. The gene ce30 undergoes imprinting in the p
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2 years ago
Pls help its due tonight aa
Andre45 [30]

Those mutated genes are most commonly recessive. Females have two X chromosomes so they can have a chromosome with the mutated gene and one with the healthy gene. The healthy gene is dominant so the disease won't manifest, and the woman is only a carrier. Males have only one X chromosome and an Y chromosome. If they have the mutated gene on the X chromosome they won't have another X chromosome with the healthy gene.

To summarize, men can't be carriers and they only need one copy of the mutated X-linked gene while women need two copies of the mutated gene.

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The ground tissue of roots is composed of what types of cells?
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