MCAT BIOLOGY 2: THE REPRODUCTIVE SYSTEM QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+}

MCAT BIOLOGY 2: THE REPRODUCTIVE

SYSTEM QUESTIONS WITH 100%

CORRECT ANSWERS { GRADED A+}




Sex is determined by - ✔✔sex chromosomes (23rd pair)


Which sex chromosome carries little genetic info? - ✔✔Y


Which sex chromosome carries a lot of genetic info? - ✔✔X


Mutations on X chromosome cause - ✔✔X-linked disease/disorder


What gene codes for testes determining factor? (transcription factor for formation

of male gonads aka testes) - ✔✔SRY gene on Y chromosome


Epididymis - ✔✔where sperm gain motility and stores sperm


2 functions of testes - ✔✔1. produce sperm in seminiferous tubules

, 2. secrete hormones (ex. testosterones and other androgens) in Interstitial Cells of

Leydig


sertoli cell function - ✔✔nourish sperm


seminiferous tubules - ✔✔tubules that produce sperm in the testes


Interstitial cells of Leydig - ✔✔secrete testosterone + other male sex hormones

(androgens)


What is the scrotum? - ✔✔sac that holds the testes and below the penis


Pathway of sperm - ✔✔SEVE(N) UP




-Seminiferous tubules


-Epididymis


-Vas Deferens


-Ejaculatory duct


-Nothing


-Urethra