In mice, the Y locus controls coat color, and the Y allele (yellow) is dominant to y (non-yellow). All yellow mice are believed to be heterozygous. A cross of two yellow mice results in a 2:1 ratio of yellow to non-yellow mice, indicating that some mice die early in development. Which of the following is an accurate description of the effect of the Y and y alleles on lethality? the Y allele is a dominant lethal allele the Y allele is a recessive lethal allele the y allele is a recessive lethal allele the y allele is a dominant lethal allele
In mice, the Y locus controls coat color, and the Y allele (yellow) is dominant to y (non-yellow). All yellow mice are believed to be heterozygous. A cross of two yellow mice results in a 2:1 ratio of yellow to non-yellow mice, indicating that some mice die early in development. Which of the following is an accurate description of the effect of the Y and y alleles on lethality? the Y allele is a dominant lethal allele the Y allele is a recessive lethal allele the y allele is a recessive lethal allele the y allele is a dominant lethal allele
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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Transcribed Image Text:In mice, the Y locus controls coat color, and the Y allele (yellow) is dominant to y (non-yellow). All
yellow mice are believed to be heterozygous. A cross of two yellow mice results in a 2:1 ratio of
yellow to non-yellow mice, indicating that some mice die early in development. Which of the
following is an accurate description of the effect of the Y and y alleles on lethality?
the Y allele is a dominant lethal allele
the Y allele is a recessive lethal allele
the y allele is a recessive lethal allele
O the y allele is a dominant lethal allele
O
O
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