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scoundrel [369]
3 years ago
6

The human chromosome apparently lacking in gene influence is the: Y chromosome X chromosome chromosome 21

Biology
1 answer:
guajiro [1.7K]3 years ago
6 0
Chromosome is part of a cell that carries hereditary material inform of genes, it contains DNA molecules tightly packed around histone proteins. X and Y are the sex chromosomes which influences the sex of an individual. Chromosome 21 is the smallest autosome in the human genome and exists in two pairs one inherited from either parent. In this case, the answer is the Y chromosome; sex is determined by the SRY gene which is responsible of the fetus to male. Other genes on the Y chromosome  are important for male fertility.
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The right option is; entropy

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Urinary obstruction in the lower urinary tract triggers changes to the urinary system to compensate for the obstruction. what is
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3 0
2 years ago
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frez [133]
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3 years ago
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Ira Lisetskai [31]

Answer:

This question lacks options, options are:

A) ADH

B) aldosterone

C) atrial natriuretic hormone

D) oxytocin

E) prolactin

The correct answer is B.

Women have a tendency to retain water during part of the menstrual cycle because estrogen mimics the action of <u>aldosterone</u>.

Explanation:

The female sex hormones produced by the ovary (estrogens and progesterone) are substances that, through the blood, will carry messages to all the organs of the female genital system (uterus, tubes and ovaries) to achieve their correct function. Aldosterone concentration normally increases at the time of ovulation and remains elevated during the luteal phase of the menstrual cycle. Women present during the premenstrual phase, compared to the luteal and follicular phases, an increase in body weight, due to an increase in fluid retention, this because the menstrual cycle modulates the renin-angiotensin-aldosterone system. High levels of estrogen and progesterone in the mid-luteal phase are associated with a greater increase in adrenal and renal hormones and retention of more volume.

5 0
3 years ago
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