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In a monohybrid cross, organisms differing in only one trait are crossed. Our objective is to understand the principles that govern inheritance in plants and animals, including humans, by solving problems related to the monohybrid cross.
Problems Involving Gene Interactions. 1. In cats, there is a gene which produces ticked fur (bands of different colors on each hair) called Agouti (H). The recessive allele (h) for this gene produces hair which is a solid color from end to end.
7.03 Problem Set 1 Answer Key Fall 2001 1a. Mutants 2 and 16 have dominant Leu- alleles. Remember dominant or recessive alleles are tested by crossing a mutant to wildtype and observing the phenotype of the heterozygote. 1b. The following mutants are in the same genes: (1,19), (3,8,18), (4,13), (5,6,11,15), and (10,14).
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The expected genot ypic ratio would be 1:2:1 while the phenotypic ratio would be 3:1
Practice Problems for Mendelian Genetics 1. A phenotypic ratio of 3:1 in the offspring of a mating of two organisms heterozygous for a single trait is expected when: A. the alleles segregate during meiosis. B. each allele contains two mutations. C. the alleles are identical. D. the alleles are incompletely dominant. E. only recessive traits are ...
Mendelian Genetics Problem Set Instructions: The following are problems in classical Mendelian genetics. You do NOT have to complete these and hand them in. The purpose is to give you a sufficient number of problems with
