PSY 3010 Lecture Notes - Lecture 16: Allele, Gene Expression, Zygosity

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20 Mar 2019
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Q: an organism"s genotype is determined by the sex cells which unite to form them. True: an individual"s phenotype determines the individual"s genotype. False: a male that is homozygous for a single trait will produce sperm with two different alleles for that trait. Individuals who are homozygous for a trait have two identical alleles for a trait. True: match the types of inheritance with their description. In the heterozygous condition, the plant blooms yellow. Yellow: fruit color in pumpkins is controlled by the amount of a particular enzyme present. Two copies of the orange allele produce enough enzyme to show the typical orange color in pumpkins. One copy of the orange allele and one copy of the white allele results in a lighter shade, yellow. Two copies of the white allele does not produce any enzyme, which results in a white pumpkin.

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