An organism with two copies of the same allele is said to be
a. Homozygous.
b. heterozygous.
c. phenotypic.
d. genotypic.
e. a hybrid.
A
You might also like to view...
Linus Pauling and his colleagues discovered that a mutant gene involved in the synthesis of hemoglobin causes sickle cell anemia
a. True b. False Indicate whether the statement is true or false
An instrument that magnifies slight differences in the refractive index of cell structures is called a (n) ________ microscope.
A. phase-contrast B. densitometric C. electron D. fluorescence
What is the original source of variation that natural selection can act upon?
A) Mutation B) Gene flow C) Genetic drift D) All of the above
Which of the following is typically predictive of second-male advantge in mating?
A. lekking B. copulatory plug C. mate guarding D. large testes and ejaculate volume E. none of these are predictive of second-male advantage