Which of the following statements about crossing over is incorrect?
A) Crossing over combines sections of the maternal and paternal chromosomes.
B) Crossing over plays a role in both sexual and asexual reproduction.
C) There are on average one to three crossover events per chromosome.
D) Crossing over increases the extent of genetic variation beyond what is possible through independent assortment alone.
E) Crossing over results in recombinant chromosomes
Ans: B) Crossing over plays a role in both sexual and asexual reproduction.
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The fossil Sahelanthropus tchadensis from the Djurab Desert of Chad, dated at 6 to 7 million years ago, may be a hominin (i.e., share more recent common ancestry with humans than with any other ape because of ________
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