A process in which a sister chromatid inherited from the mother and a sister chromatid inherited from the father pair up and form tetrads and exchange DNA to form genetically diverse gametes is called ________

A) crossing over B) prophase C) cytokinesis D) cell cycle


Answer: A

Biology & Microbiology

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The portion of an enzyme where the substrate binds is known as the ____

a. receptor site b. active site c. target receptor d. target site e. contact site

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__________ is a form of genetic exchange in bacteria that involves contact between two cells

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Under what conditions is asexual and under what conditions is sexual reproduction favored by the three evolutionary models involving environmental unpredictability, number of niches, and parasite load?

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