The exchange of chromosome segments during meiosis results in __________
A) severe mutations
B) incredible variability among siblings
C) higher rates of fraternal twins
D) higher numbers of female zygotes than male zygotes
Answer: B
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Simon has curly hair. If he is homozygous for the gene that determines curly hair, what is true of his parents??
a. ?They must each have a recessive allele for straight hair. b. ?One must have a recessive allele for straight hair, while the other must have a dominant allele for curly hair. c. ?They must each have a recessive allele for curly hair. d. ?They must both have mutated dominant genes for straight hair
Genetic influences have been shown to be important for ______.
A. meal size but not frequency of meals B. frequency of meals but not meal size C. stomach size and intestinal absorption D. both meal size and energy expenditure
Liu et al found that:
a. Attentional selection by feature is faster than selection by location b. Selection by feature inhibits selection by location c. Selection by location and selection by feature are equally fast d. Selection by location is faster than selection by feature
ISLE 8.19 The Furrow IllusionClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.If the dot's zig-zag motion in the furrow illusion reflects peripheral processing, then which of the following parameters should have the smallest effect on the illusion?
A. dot outline B. distance between the dots C. dot color D. dot speed