A) How would the development of the testes in a chromosomally XY rat embryo be affected...

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Medical Sciences

A) How would the development of the testes in a chromosomally XYrat embryo be affected by exposure to very high levels ofestradiol?
Select one:
a. It would develop ovotestes, gonads that consist of acombination of testicular and ovarian tissues
b. It would develop testes
c. Gonadal development would be stopped
B) You treat a chromosomally XY rat fetus early in developmentwith a combination of an androgen receptor antagonist and an MISreceptor antagonist. What internal reproductive organs would itdevelop? Check all the correct answers.
a. Fallopian tubes
b. Ovaries
c. Testes
d. Uterus
e. Seminal vesicles
f. Cervix
g. Seminal vesicles
h. Vas deferens
C) What internal reproductive organs would develop in a femalerat pup (chromosomally XX) if you treated her with MIS during earlyembryonic development? Check all the correctanswers.
Select one or more:
a. Vas deferens
b. Ovaries
c. Epididymis
d. Cervix
e. Uterus
D) Development of which of the following tissues in an embryo isaffected by DHT levels? Check all the correct options.
a. Genital tubercle
b. Mullerian ducts
c. Gonads
d. Wolffian ducts
e. labioscrotal swellings

Answer & Explanation Solved by verified expert

4.3 Ratings (606 Votes)

A It would develop testes Development of gonads is strictly genetic and cannot be affected by hormone altertion Since SRY gene on Y chromosome encodes testis determining factor male sexual differentiation and testis development takes place B Fallopian See Answer

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