A haploid yeast strain has mating type a and genotype his4 TRP1. A different haploid yeast strain has mating type ? and genotype HIS4 trp1. The two strains mate and produce diploid offspring with genotype his4 TRP1 / HIS4 trp1. The diploid cells undergo meiosis to produce a variety of tetrad types. In the following questions, the genotypes of the spores in a tetrad are shown. For each tetrad, tell what type it is: parental (PD), non-parental (NPD), or tetratype (T).
-his4 trp1; his4 trp1; HIS4 TRP1; HIS4 TRP?
A)PD
B)NPD
C)T
D)cannot be determined

Question

Quizplus · Accepted Answer

The Answer of A haploid yeast strain has mating type a and genotype his4 TRP1. A different haploid yeast strain has mating type ? and genotype HIS4 trp1. The two strains mate and produce diploid offspring with genotype his4 TRP1 / HIS4 trp1. The diploid cells undergo meiosis to produce a variety of tetrad types. In the following questions, the genotypes of the spores in a tetrad are shown. For each tetrad, tell what type it is: parental (PD), non-parental (NPD), or tetratype (T).
-his4 trp1; his4 trp1; HIS4 TRP1; HIS4 TRP?
A)PD
B)NPD
C)T
D)cannot be determined

A Haploid Yeast Strain Has Mating Type a and Genotype