Guppy tails come in different colors and shapes. Tail shape is forked or smooth: forked tails are recessive (f-) and smooth is wild-type (f+). Tail color is yellow or red: yellow is recessive (r-) and red is wild-type (r+). These two genes are on Chromosome 3, located 12 cm apart. A smooth red-tailed female that is heterozygous at both loci and a forked yellow-tailed male have 200 offspring. The cross is shown below: f+ r- f- r+ 88 X 176 f- f- r- How many forked tailed, yellow fish do you expect to find among the offspring? O 12 O 24 r- Incorrect Genotype f-r- from the mother requires recombination; this number would be correct for a gamete produced without recombination.
Guppy tails come in different colors and shapes. Tail shape is forked or smooth: forked tails are recessive (f-) and smooth is wild-type (f+). Tail color is yellow or red: yellow is recessive (r-) and red is wild-type (r+). These two genes are on Chromosome 3, located 12 cm apart. A smooth red-tailed female that is heterozygous at both loci and a forked yellow-tailed male have 200 offspring. The cross is shown below: f+ r- f- r+ 88 X 176 f- f- r- How many forked tailed, yellow fish do you expect to find among the offspring? O 12 O 24 r- Incorrect Genotype f-r- from the mother requires recombination; this number would be correct for a gamete produced without recombination.
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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