his4 TRP1; his4 TRP1; HIS4 trp1; HIS4 trp1
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).
A) PD
B) NPD
C) T
D) cannot be determined
A) PD
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An asexually reproducing individual is indicated by
a. A. b. B. c. C. d. D. e. E.
Which of the following species is NOT likely to be considered a keystone species?
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mesocortical dopamine pathway. b. tuberoinfundibular pathway c. incertohypothalamic pathway. d. parahippocampal-subicular pathway. e. mesolimbic dopamine pathway.