A) pollen - male
B) stigma - female
C) anther - female
D) ovule - female
E) stamen - male
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A) 1
B) 2
C) 3
D) 4
E) 5
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A) the two genes in question being linked on the same chromosome.
B) a spontaneous mutation within the offspring.
C) pure chance.
D) an inaccurate prediction for the 25%: 25%: 25%: 25% ratio.
E) the two genes being on separate chromosomes.
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A) always assort independently.
B) undergo crossing-over of sister chromatids at a high rate.
C) are found on homologous chromosomes.
D) never cross over during prophase I.
E) tend to be close together on the same chromosome.
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A) they can be certain that three will be heterozygous and one homozygous recessive.
B) if the first three are heterozygous, the fourth must be homozygous recessive.
C) the children must repeat the grandparents' genotype (Ee) .
D) all children must have unattached earlobes since both parents possess the dominant gene for it.
E) two heterozygous, one homozygous dominant, and one homozygous recessive is a likely outcome, but all heterozygous, or two, three, or all four homozygous is also possible.
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