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damaskus [11]
3 years ago
14

The skin is the body's largest organ. It's made up of many different types of cells. Oils, produced by the sebaceous glands, pre

vent the skin from drying and splitting. The pigment melanin, produced by melanocytes in the epidermis, protects the skin from the harmful effects of ultraviolet radiation. Sweat, released through ducts to the skin surface, helps to cool the body. The types of cells that produce these compounds have different numbers of specific organelles, depending on their function. Melanocytes use many enzymes to produce melanin. Based on their function, you would expect melanocytes in the skin to have a higher than usual number of
Biology
1 answer:
Alexeev081 [22]3 years ago
3 0

Based on their function, you would expect melanocytes in the skin to have a higher than usual number of ribosomes.

Ribosomes are cell structures that functions as the site of biological protein synthesis. Ribosomes are present in all living cells where they produce proteins required for many cellular functions. Ribosomes join amino acids together in the order specified by messenger RNA molecules. Ribosomes are made up of two parts which are; the large subunits (which connect amino acids to create a polypeptide chain) and the small ribosomal subunits (which read the RNA).


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The genotype of the unknown individual is X^BX^b.

Males receive their X chromosomes from their mother.

They are not equally segregated among the male and female offsprings.

<h3><u>Explanation:</u></h3>

20. In case of the 1st pedigree problem, we can see that the male parent has the genotype of X^bY. And the female offspring has the genotype of X^BX^b. If the female gets the X^b from her father, then X^B has to be from the mother.

Now in the male offspring, the offspring gets the X^b from mother, because males get the X chromosome from their mothers. So the mother has the genotype of X^BX^b.

21. The males have the genetic setup of 44 +XY. They get the 44 chromosomes equally from both the parents - 22 from father and 22 from mother. And as the mother has only X chromosomes as the allosomes, then the offspring gets Y chromosome from their father and X chromosome from their mother.

22. In the autosomal characters, the males have both pairs of functional chromosomes, so the relationship of dominant and recessive acts very well. But in case of the allosomes, they have only X chromosomes as the functional one, Y chromosome doesn't have any functional gene. So the gene which is present in X chromosomes, whether dominant or recessive, gets expressed in males. But in females, there are two X chromosomes, so the dominant and recessive characteristics gets reflected there. So in case of presence of one recessive allele, they becomes carriers.

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Where does mold come from?​
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energy carried by electromagnetic wave is proportional to the frequency of the wave

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The physical expression of genes
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The physical expression of genes are phenotype. Phenotype is the expression of the gene by the appearnace of the organism. It is the characteristics of that trait.

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