Homologous chromosomes separate in ________ and sister chromatids separate in ________
a. meiosis I / meiosis II only
b. meiosis II / meiosis I
c. both meiosis I and meiosis II / both meiosis I and meiosis II
d. meiosis I / meiosis II and mitosis
d
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An organism that is heterozygous for two traits can produce a maximum of _______ different gametes for these traits.
A. 2 B. 4 C. 2; if they are on the same chromosome D. 4; only if they are on different chromosomes E. 8
Excess glucose in the human diet can result in
accumulations of
a. pyruvate. b. NADH. c. fats. d. lactate. e. ATP.
In sweet peas, genes C and P are necessary for
colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. What will be the color of the offspring of the crosses listed below and in what proportions? (a) Cc Pp x cc pp (b) Cc Pp x Cc Pp (c) Cc PP x Cc pp (d) Cc pp x cc Pp What will be an ideal response?
The combined effects of inhibitory and excitatory effects on a postsynaptic cell will decide whether that cell generates an action potential. This principle is called ________
A) potentiation B) internalization C) threshold D) summation