Genetic variation results from the crossing over and exchange of chromosomal parts that occur during meiosis II.
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Q34: Match the following:
-A particular gene's allele received
Q35: Delayed action genes can result in fatal
Q36: Environmentally produced phenotypes that mimic conditions that
Q37: Down syndrome is an example of nondisjunction
Q38: Match the following:
-Means by which genes trade
Q40: A Punnett square is a diagram that
Q41: Of the different sources of genetic variability
Q42: The cleft chin trait follows a dominant-recessive
Q43: Of the different sources of genetic variability
Q44: Recessive genes are usually expressed in humans
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