In diploid yeast strains, sporulation and subsequent meiosis produce haploid ascospores, which may fuse to reestablish diploid cells. When ascospores from a neutral petite strain fuse with those of a normal, wild-type strain, the diploid zygotes are all normal. Following meiosis, the ascospores are all normal.

Is the neutral petite phenotype inherited as a dominant, recessive, partial dominant, or co-dominant trait?

In diploid yeast strains, sporulation and subsequent meiosis produce haploid ascospores, which may fuse to reestablish diploid cells. When ascospores from a neutral petite strain fuse with those of a normal, wild-type strain, the diploid zygotes are all normal. Following meiosis the ascospores are all normal.

Is the neutral petite phenotype inherited as a dominant, recessive, partial dominant or co-dominant trait?The neutral petite phenotype is inherited as a recessive trait.What is a recessive trait A recessive trait is a characteristic that is only expressed when the individual has two copies of the recessive allele.

The recessive allele is masked by the dominant allele in heterozygotes, so only homozygous recessive individuals will express the recessive trait. The neutral petite phenotype, in this situation, is recessive since it only emerges when the individual has two copies of the allele coding for it.Consequently, ascospores from the neutral petite strain were all recessive and only able to express themselves when they had two copies of the gene.

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