A male mouse that is heterozygous for a mutant lgf2 allele (Igf2/lgf2-) is crossed with a female who is homozygous fo the wild-type lgf2 allele. What would be the expected outcome of this cross? Multiple Choice O 1/2 the offspring would be normal; 1/2 would be dwarf All offspring would be normal because the paternal allele is expressed All offspring would be dwarf because the maternal allele is silenced All offspring would be dwarf because the paternal allele is silenced 3/4 of the offspring would be normal; 1/4 would be dwarf
A male mouse that is heterozygous for a mutant lgf2 allele (Igf2/lgf2-) is crossed with a female who is homozygous fo the wild-type lgf2 allele. What would be the expected outcome of this cross? Multiple Choice O 1/2 the offspring would be normal; 1/2 would be dwarf All offspring would be normal because the paternal allele is expressed All offspring would be dwarf because the maternal allele is silenced All offspring would be dwarf because the paternal allele is silenced 3/4 of the offspring would be normal; 1/4 would be dwarf
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:A male mouse that is heterozygous for a mutant Igf2 allele (Igf2/lgf2-) is crossed with a female who is homozygous for
the wild-type lgf2 allele. What would be the expected outcome of this cross?
Multiple Choice
O
O
O
O
1/2 the offspring would be normal; 1/2 would be dwarf
All offspring would be normal because the paternal allele is expressed
All offspring would be dwarf because the maternal allele is silenced
All offspring would be dwarf because the paternal allele is silenced
3/4 of the offspring would be normal; 1/4 would be dwarf
A
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