After four minutes, the number of sperms from men with a wild-type allele that was in the camera’s view on average. Concept introduction: The epididymis is a part of the male reproductive system. Through the epididymis, the sperms travel from the testis to the vas deferens.

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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

Answer 1

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Chapter 41, Problem 1DAA

Summary Introduction

To explain: After four minutes, the number of sperms from men with a wild-type allele that was in the camera’s view on average.

Concept introduction: The epididymis is a part of the male reproductive system. Through the epididymis, the sperms travel from the testis to the vas deferens.

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