Which findings support the fact that the presence of the Y- chromosome rather than the lack of a second X-chromosome determines the development of maleness in mammals? ) A transgenic mouse with two X-chromosomes and the SRY gene from the Y-chromosome develops male sex organs. ) A human with an XXXY genotype (Klinefelter syndrome) is phenotypically male. A human with an XO genotype (Turner syndrome) is phenotypically female. a and b, but not c a, b, and c

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Which findings support the fact that the presence of the Y-
chromosome rather than the lack of a second X-chromosome
determines the development of maleness in mammals?
A transgenic mouse with two X-chromosomes and the SRY gene from
the Y-chromosome develops male sex organs.
A human with an XXXY genotype (Klinefelter syndrome) is
phenotypically male.
A human with an XO genotype (Turner syndrome) is phenotypically
female.
a and b, but not c
a, b, and c
Transcribed Image Text:Which findings support the fact that the presence of the Y- chromosome rather than the lack of a second X-chromosome determines the development of maleness in mammals? A transgenic mouse with two X-chromosomes and the SRY gene from the Y-chromosome develops male sex organs. A human with an XXXY genotype (Klinefelter syndrome) is phenotypically male. A human with an XO genotype (Turner syndrome) is phenotypically female. a and b, but not c a, b, and c
Expert Solution
Introduction:

In many animals including humans, sex is determined by sex chromosomes, which are X and Y chromosomes.

A female has XX and a male has XY as sex chromosomes.

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