PNB 2275 - EXAM 4 (REPRODUCTIVE SYSTEM) 2026 QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
karyotype for man - (answer)(46, XY)
Turner's syndrome - (answer)(45, X): internally and externally female, non-functioning ovaries
Klinefelter Syndrome - (answer)(47, XXY): internally and externally male, infertile
SRY gene - (answer)transcription factor, develop gonad to testis
part of undifferentiated gonad for testes and ovaries - (answer)medulla; cortex
leydig cells in males secrete - (answer)testosterone
testosterone role in male internal genitalia development - (answer)wolffian ducts to epididymus, vas
deferens, and seminal vesicles
DHT role in external development - (answer)present = male, not present = female
sertoli cells in males secrete ______ for development of genitia - (answer)MIS; suppress mullerian duct
no MIS leads to... - (answer)females; mullerian duct development into fallopian tubes, uterus, and upper
vagina
spermatogenesis in embryo - (answer)mitosis only
spermatogenesis at puberty - (answer)mitosis and meiosis
GRADED | WITH EXPERT SOLUTIONS
karyotype for man - (answer)(46, XY)
Turner's syndrome - (answer)(45, X): internally and externally female, non-functioning ovaries
Klinefelter Syndrome - (answer)(47, XXY): internally and externally male, infertile
SRY gene - (answer)transcription factor, develop gonad to testis
part of undifferentiated gonad for testes and ovaries - (answer)medulla; cortex
leydig cells in males secrete - (answer)testosterone
testosterone role in male internal genitalia development - (answer)wolffian ducts to epididymus, vas
deferens, and seminal vesicles
DHT role in external development - (answer)present = male, not present = female
sertoli cells in males secrete ______ for development of genitia - (answer)MIS; suppress mullerian duct
no MIS leads to... - (answer)females; mullerian duct development into fallopian tubes, uterus, and upper
vagina
spermatogenesis in embryo - (answer)mitosis only
spermatogenesis at puberty - (answer)mitosis and meiosis
