You are studying a gene that controls ossicone (horn) length in giraffes. The wild type long-ossicone allele (L) is dominant to the mutant short-ossicone (I) allele. However the L allele is only 60% penetrant. You cross a long-horn heterozygous giraffe to a short- horn giraffe. What phenotypic progeny classes do you expect and at what frequencies?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter15: Genomes And Genomics
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Problem 2QP: Hemophilia and color blindness are both recessive conditions caused by genes on the X chromosome. To...
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You are studying a gene that controls ossicone (horn) length in giraffes. The wild type long-ossicone allele (L) is dominant to the
mutant short-ossicone (I) allele. However the L allele is only 60% penetrant. You cross a long-horn heterozygous giraffe to a short-
horn giraffe. What phenotypic progeny classes do you expect and at what frequencies?
Transcribed Image Text:You are studying a gene that controls ossicone (horn) length in giraffes. The wild type long-ossicone allele (L) is dominant to the mutant short-ossicone (I) allele. However the L allele is only 60% penetrant. You cross a long-horn heterozygous giraffe to a short- horn giraffe. What phenotypic progeny classes do you expect and at what frequencies?
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