Answer the question using the accompanying figure. The worker bees represented by letters C and F, which receive
different alleles from the queen, are related to each other by ____.
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
ANSWER: c
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Small chromosomal duplications provide raw material for the addition of genes into a species' genome. These duplications create two or more copies of the same gene, where one or both of the genes can subsequently mutate. These genes are referred to as
A. sister chromatids. B. homologous chromosomes. C. homologous genes. D. transposable elements. E. duplicated chromosomes.
Genes at one locus that affect the expression of
genes at a different locus are said to be a. epistatic. b. linked. c. codominant. d. penetrant. e. alleles
The membrane-bound enzyme system that restores and maintains the resting membrane potential is
which of the following pumps? a. sodium-phosphorus b. sodium-potassium c. sodium-chlorine d. phosphorus-calcium e. phosphorus-chlorine
Upon ingestion of a food particle by a protozoan, the food particle is in a(n) ________.
A. mitochondrion B. endoplasmic reticulum C. phagocytic vacuole D. lysosome