1 answer
(click or scroll down)
a person DNA: Genetic Research (unit 7, lesson 6)
November 15th, 2022
1. A version of a gene is called a(n)
A: Allele
2.The trait for blue eyes in humans is caused by a recessive allele. If this gene is named E, what is the genotype of a blue-eyed person?
B: ee
3. Describe the relationships among genes, DNA, and traits.
C: Traits are determined by genes, which are composed of DNA.
4. In mice, the gene for tail length has two alleles. A long tail is dominant to a short tail. If a long-tailed mouse that is heterozygous mates with a short-tailed mouse, what are the chances of having offspring with short tails?
C: 50%
5. What is meant by a phenotype ratio in a Punnett square?
C: the fraction of possible offspring that can be observed to have a trait