When both dominant and recessive alleles are present within a single nucleus, the organism is for the trait.
(a) diploid
(b) haploid
(c) homozygous
(d) heterozygous
(d) heterozygous
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A population can increase in size as a result of which of the following processes? Select all correct choices
A. an increase in emigration B. an increase in immigration C. an increase in death rate D. an increase in birth rate E. an increase in emigration and death rate F. an increase in immigration and birth rate
Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a recessive trait
You discover that your new father-in-law has albinism and cystic fibrosis. If neither you nor your spouse has either albinism or cystic fibrosis, what are the odds that your first child will have either albinism or cystic fibrosis, but not both?
a. 1/16 b. 3/8 c. 1/8 d. 1/4 e. 0
Signals are sent from one neuron to another at a synapse, where vesicles release molecules of ________ that travel to the postsynaptic cell
a. sodium ions b. calcium ions c. neurotransmitter d. potassium ions
All organisms in domain ____ are single-celled
a. Protists b. Fungi c. Plants d. Bacteria e. Eukarya