Define the term "trait group."
What will be an ideal response?
ANS:
a group in which all individuals affect one another's fitness
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When the chromosomes line up in mitosis this is known as which phase?
A. Telophase B. Anaphase C. Metaphase D. Prophase
The proportion of individuals in a population that are of a particular genotype is the
A) phenotype frequency. B) genotype frequency. C) allele frequency. D) None of the choices is correct.
If an individual is heterozygous for a particular trait, Select one:
a. each parent contributed a different allele for that trait. b. one parent contributed two copies of the same allele for that trait. c. one parent contributed two different alleles for that trait. d. each parent contributed the same allele for that trait.
Which of the following statements about keratin is false?
a. It is a protein molecule. b. It is manufactured by epidermal cells. c. It gives strength to the skin. d. It acts as an evaporative barrier to prevent excess water loss. e. It facilitates diffusion across the body surface.