In snakes, toxic skin (T) is dominantly inherited. Snakes with non-toxic sk homozygous recessive. Skin color in snake is an example of epistasis, w are dominant to gold scales, which are recessive. A second gene E dete be deposited to the scales. If snakes are "ee," then no color will be depos will be white (known as albino). A snake that is heterozygous for toxic skin, black scales, and the E gene snake that is TTbbEe. a) What is the probability that their offspring will be heterozygous for all b) What is the probability that their offspring will have (toxic skin / gold s toxic skin / white scales)?

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter13: Observing Patterns In Inherited Traits
Section: Chapter Questions
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5. In snakes, toxic skin (T) is dominantly inherited. Snakes with non-toxic skin are
homozygous recessive. Skin color in snake is an example of epistasis, where black scales
are dominant to gold scales, which are recessive. A second gene E determines if color will
be deposited to the scales. If snakes are "ee," then no color will be deposited and snakes
will be white (known as albino).
A snake that is heterozygous for toxic skin, black scales, and the E gene is mated with a
snake that is TTbbEe.
a) What is the probability that their offspring will be heterozygous for all traits?
b) What is the probability that their offspring will have (toxic skin / gold scales) OR (non-
toxic skin / white scales)?
Transcribed Image Text:5. In snakes, toxic skin (T) is dominantly inherited. Snakes with non-toxic skin are homozygous recessive. Skin color in snake is an example of epistasis, where black scales are dominant to gold scales, which are recessive. A second gene E determines if color will be deposited to the scales. If snakes are "ee," then no color will be deposited and snakes will be white (known as albino). A snake that is heterozygous for toxic skin, black scales, and the E gene is mated with a snake that is TTbbEe. a) What is the probability that their offspring will be heterozygous for all traits? b) What is the probability that their offspring will have (toxic skin / gold scales) OR (non- toxic skin / white scales)?
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