In certain salamanders, the sex of a genetic female can be altered, changing her into a functional male; these salamanders are called sex-reversed males. When a sex-reversed male is mated with a normal female, approximately 2/3 of the offspring are female, and 1/3 are male. Given this observation, which of the statements is most likely to be true for these salamanders? They exhibit hermaphroditism. Females are the heterogametic sex. Males are the heterogametic sex. Females are the homogametic sex. They exhibit genic sex determination. explain the results of this cross? OO O0

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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In certain salamanders, the sex of a genetic female can be altered, changing her into a functional male; these salamanders are
called sex-reversed males. When a sex-reversed male is mated with a normal female, approximately 2/3 of the offspring are
female, and 1/3 are male.
Given this observation, which of the statements is most likely to be true for these salamanders?
They exhibit hermaphroditism.
Females are the heterogametic sex.
Males are the heterogametic sex.
Females are the homogametic sex.
O They exhibit genic sex determination.
How do you explain the results of this cross?
A Concectual Asomechac
Transcribed Image Text:In certain salamanders, the sex of a genetic female can be altered, changing her into a functional male; these salamanders are called sex-reversed males. When a sex-reversed male is mated with a normal female, approximately 2/3 of the offspring are female, and 1/3 are male. Given this observation, which of the statements is most likely to be true for these salamanders? They exhibit hermaphroditism. Females are the heterogametic sex. Males are the heterogametic sex. Females are the homogametic sex. O They exhibit genic sex determination. How do you explain the results of this cross? A Concectual Asomechac
How do you explain the results of this cross?
The female parent had two Z chromosomes.
The sex-reverse male parent had two W chromosomes.
O Both parents were ZW, and WW offspring did not survive.
The sex-reverse parent was Z7, the female parent was ZW, and ZW offspring did not survive.
Transcribed Image Text:How do you explain the results of this cross? The female parent had two Z chromosomes. The sex-reverse male parent had two W chromosomes. O Both parents were ZW, and WW offspring did not survive. The sex-reverse parent was Z7, the female parent was ZW, and ZW offspring did not survive.
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