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  1. AP Biology
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Heredity

Question 1
college-boardBiologyAPExam Style
1 mark

Why might a diploid organism produce haploid cells through the process of meiosis rather than simply undergoing mitosis?

Question 2
college-boardBiologyAPExam Style
1 mark

Considering the varying crossover frequencies observed in different regions of a chromosome, which evolutionary advantage is most likely conferred by this non-random distribution of crossover events during meiosis?

Question 3
college-boardBiologyAPExam Style
1 mark

If crossing over during prophase I occurs more frequently at telomeric regions than at centromeric regions, what could be inferred about the selection pressures acting on these chromosomal domains?

Question 4
college-boardBiologyAPExam Style
1 mark

During which phase of meiosis are homologous chromosomes separated?

Question 5
college-boardBiologyAPExam Style
1 mark

Why might crossing over process be particularly advantageous evolutionary speaking?

Question 6
college-boardBiologyAPExam Style
1 mark

Given that some organisms exhibit polyploidy whereas others remain diploid or haploid throughout their life cycles, how does this genomic difference potentially affect speciation events?

Question 7
college-boardBiologyAPExam Style
1 mark

Which observation from a genetic map most strongly supports the idea that two genes are closely linked on the same chromosome?

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Question 8
college-boardBiologyAPExam Style
1 mark

Which event during meiosis is essential for ensuring that each gamete receives only one set of chromosomes, thus maintaining species' chromosome number across generations?

Question 9
college-boardBiologyAPExam Style
1 mark

During which phase of meiosis can crossing over, a process that increases genetic diversity within a species, most often occur?

Question 10
college-boardBiologyAPExam Style
1 mark

If two parents are carriers for an autosomal recessive disorder, what is the probability that their third child will be affected if their first two children are unaffected?