Task # 4 Genotypes and Phenotypes: The Mc1r gene is located on chromosome #16 in mice. Mice are diploid so every somatic cell has two copies of the Mc1r gene. Since there are two Mc1r alleles there are three possible genotypes: MM, Mm and mm. M-dark pigment m=less pigment Parental generation: an inland mouse (MM) mates with a beach mouse (mm) A. What is the genotype of the F1 offspring? B. If this trait exhibits simple (Mendelian) dominance, circle the phenotype expected for the F1 fur color: dark pigment / medium pigment / less pigment Observed phenotype: F1 actually have medium pigment. Initially this looks like blending, but it is not. M and m are discrete units. This observation does not disprove Mendel's First Law which holds true for the genotypes. Individuals with genotype Mm produce more pigment than individuals with genotype mm and less than individuals with genotype MM. and show the gametes and offspring C. Write the F1 x F1 cross in a Punnett square below. X
Task # 4 Genotypes and Phenotypes: The Mc1r gene is located on chromosome #16 in mice. Mice are diploid so every somatic cell has two copies of the Mc1r gene. Since there are two Mc1r alleles there are three possible genotypes: MM, Mm and mm. M-dark pigment m=less pigment Parental generation: an inland mouse (MM) mates with a beach mouse (mm) A. What is the genotype of the F1 offspring? B. If this trait exhibits simple (Mendelian) dominance, circle the phenotype expected for the F1 fur color: dark pigment / medium pigment / less pigment Observed phenotype: F1 actually have medium pigment. Initially this looks like blending, but it is not. M and m are discrete units. This observation does not disprove Mendel's First Law which holds true for the genotypes. Individuals with genotype Mm produce more pigment than individuals with genotype mm and less than individuals with genotype MM. and show the gametes and offspring C. Write the F1 x F1 cross in a Punnett square below. X
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter15: Dna Technology And Genomics
Section15.3: Tools For Studying Dna
Problem 11LO: Discuss how qPCR, DNA microarrays (DNA chips), and RNA-seq analysis are used to compare levels of...
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