When the first generation parents are homozygous for different alleles, a 3:1 phenotype ratio will most
likely appear in which generation of offspring?
a. P1
b. H1
c. A1
d. F1
e. F2
E
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A somatic cell divides to form two genetically identical daughter cells during mitosis. Prior to mitosis, what must
occur?
a. The cell must replicate its DNA. b. The cell must first be fertilized. c. The nucleus must divide. d. Chromatids must be separated. e. The nuclear envelope must disintegrate.
What kind of tissue is shown in the accompanying images?
a. blood b. adipose c. bone d. cartilage e. dense connective
Pasteurization does not inactivate endospores or thermoduric microbes.
Answer the following statement true (T) or false (F)
Sympathetic nerves have what effect on systemic arterioles?
A) vasodilation B) vasoconstriction C) vasospasm D) vasoconstriction and vasospasm E) neither vasodilation or vasoconstriction, but may cause vasospasm