Muv is homozygous You have a C. elegans worm with the following genotype: + dpy/

Question

Muv is homozygous

You have a C. elegans worm with the following genotype: + dpy/lov +; muv Where, dpy, lov and muv are alleles for these recessive phenotypes: Dpy = dumpy (short and fat) Lov= mating behavior defective Muv = multivulva After taking a minute to feel sorry for this poor worm, answer the following questions: What gene(s) is this animal heterozygous for? What gene(s) is this animal homozygous for? What genes(s) are located on the same chromosome? What is the phenotype of this animal? Assuming lov and dpy loci are 20cM apart, what are the phenotypes, genotypes and expected frequencies of this hermaphrodite's self-progeny? Percentage Phenotype

Explanation / Answer

5.1: The animal is heterozygous for dpy and lov genes.
5.2: The animal is homozygous for muv gene.
5.3: The dpy and muv genes are located on the same chromosome.
5.4: Phenotype of animal= long and thin; mating behaviour, multivulva.

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