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Greeley [361]
3 years ago
14

The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.

Biology
1 answer:
Vikentia [17]3 years ago
4 0
Melanin conveys some UV protection
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Imagine a scenario where Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting
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<h2>If Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting  then the frequency of men and women differs. </h2>

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Red-green color  blindness: color blindness is an X-linked recessive disorder. The male having this disease will transmit his X chromosome (with the mutation) to his daughter, who will then be a carrier of the disease.  

If Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting  then the frequency of men and women differs.

Male inherit its X chromosome only from mother and no X chromosome from father, having one Y chromosome but female receive one X chromosome from father and one from mother, having no Y chromosome, So if the paternal allele is silenced then the males are no affected.

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