Fertilization normally _____
A) reinstates diploidy
B) follows gastrulation
C) is required for parthenogenesis
D) merges two diploid cells into one haploid cell
E) precedes ovulation
Answer: A
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Polydactyly is expressed when an individual has extra fingers and/or toes. Assume that a man with six fingers on each hand and six toes on each foot marries a woman with a normal number of digits. Having extra digits is caused by a dominant allele
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Fill in the blank(s) with the appropriate word(s).