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Y. X. X. XX. XY. Genetic sex. Y. X. XO. XY. Genetic sex. SRY. no SRY. Indifferent gonad. TDF. no TDF. Ovary. Testis. Gonadal sex. No Y sperm. Y sperm. XX. XY. SRY. No SRY. TDF. No TDF. testis. ovary. Mullerian Ducts. Wolffian Ducts. Oviduct, uterus. degenerates.
E N D
Y X X XX XY Genetic sex
Y X XO XY Genetic sex
SRY no SRY Indifferent gonad TDF no TDF Ovary Testis Gonadal sex
No Y sperm Y sperm XX XY SRY No SRY TDF No TDF testis ovary MullerianDucts Wolffian Ducts
Oviduct, uterus degenerates Vas deferens degenerates Mullerian ducts Wolffian ducts
Y sperm No Y sperm XX XY SRY No SRY TDF No TDF testis ovary MullerianDucts oviduct Wolffian Ducts v. def
Oviduct, uterus Vas deferens Testis Mullerian ducts MIH Wolffian ducts T
Y sperm No Y sperm XX XY SRY No SRY TDF No TDF testis T ovary No T No MIH MIH MullerianDucts oviduct T Wolffian Ducts v. def
Undifferentiated genitals Clitoris Vagina Penis Scrotum
+ ovary genitals genitals + testis Normally: testis causes dev male genitals ovary causes dev female genitals
+ ovary genitals genitals genitals + testis genitals
Testis Undifferentiated genitals Clitoris Vagina Penis Scrotum
X sperm Y sperm XX XY SRY TDF testis T ovary MIH MullerianDucts oviduct T Wolffian Ducts v. def penis vagina
Y sperm No Y sperm XX XY SRY No SRY TDF No TDF testis T ovary No T No MIH MIH MullerianDucts oviduct T Wolffian Ducts v. def penis vagina
X sperm Y sperm XX XY SRY TDF testis T ovary MIH MullerianDucts oviduct T Wolffian Ducts v. def DHT penis vagina
XY testis T MullerianDucts Wolffian Ducts vagina
Y sperm Androgen Insensitivity Syndrome XY SRY TDF testis T Testicular Feminization MIH MullerianDucts T Wolffian Ducts DHT vagina