QUESTION 16 Which of the following would be found in a person with a 46, XY kary

Question

QUESTION 16

Which of the following would be found in a person with a 46, XY karyotype without any gene mutations? [Select all that apply]

Male external genitalia

Barr body

High testosterone, in comparison to estrogen

SRY gene

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QUESTION 17

If you were one of the judges in 1966 for the sprinter, would you deem this athlete eligible to compete in women’s events?

Eligible

Not eligible

1.75000 points   

QUESTION 18

What could be one of the reasons this athlete has never menstruated?

Her actual biological sex is male

Like many other female athletes, she has amenorrhea, or when ovulation doesn’t occur because of low body fat % [a signal of unideal conditions for reproduction

Male external genitalia

Barr body

High testosterone, in comparison to estrogen

SRY gene

Explanation / Answer

Question 16.

Correct Answer: SRYgene

people usually have 46 chromosome in each cell . 2 of 46 chromosome known as X and Y. They are sex chromosome as they help to determine whether a person will develop male or female. Women have 2 X chromosome (46, XX karyotype) and males have one X and one Y chromosome (46, XY karyotype).

so, In Swyer syndrome, Individuals with one X chromosome and one Y chromosome in each cell, the pattern typically found in males have female reproductive structures.

some individuals inherit an altered SRY gene from an unaffected father who is a mosaic for the mutation.

Question 17 - In 1966, not eligible

Question 18 - she has amenorrhea.

Women with moderate Weight loss (10-15% of body weight) suffer from primarily or secondary amenorrhea. Women athletes who exercise alot and their extreme thinness reduce level of hormones. As a result there is disorders in hypothalamus and leads to hypo estrogen state. There is also decrease in pulse frequency of gonadotrophic releasing harmone that leads to amenorrhea in wo

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