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Human Heredity 11th Edition by Michael Cummings
Edition 11ISBN: 978-1305251052Human Heredity 11th Edition by Michael Cummings
Edition 11ISBN: 978-1305251052 Exercise 17
Discuss whether the following individuals (1) have male or female gonads, (2) are phenotypically male or female (discuss Wolffian/Müllerian ducts and external genitalia), and (3) are sterile or fertile.
A) XY, homozygous for a recessive mutation in the testosterone biosynthetic pathway, producing no testosterone
B) XX, heterozygous for a dominant mutation in the testosterone biosynthetic pathway, which causes continuous production of testosterone
C) XY, heterozygous for a recessive mutation in the MIH gene
D) XY, homozygous for a recessive mutation in the SRY gene that abolishes function
A) XY, homozygous for a recessive mutation in the testosterone biosynthetic pathway, producing no testosterone
B) XX, heterozygous for a dominant mutation in the testosterone biosynthetic pathway, which causes continuous production of testosterone
C) XY, heterozygous for a recessive mutation in the MIH gene
D) XY, homozygous for a recessive mutation in the SRY gene that abolishes function
Explanation
Verified
Verified
• (1) If the SRY gene is active the gona...
Human Heredity 11th Edition by Michael Cummings
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