Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
Which term best describes the genetic content of a zygote?
diploid
haploid
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Give two reasons why meiosis is important in living organisms.
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How does random fusion of gametes affect genetic variation?
increases genetic variation
decreases genetic variation
has no effect on genetic variation
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Which parts of a chromosome twist around each other during crossing over?
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Crossing over occurs between pairs of chromosomes.
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What is the role of crossing over in meiosis?
to separate homologous chromosomes
to produce somatic cells
to produce genetically identical cells
to exchange genetic material between homologous chromosomes
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In which stage of meiosis does independent segregation (or random assortment) take place?
metaphase I
telophase II
prophase II
anaphase I
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How does independent segregation (or random assortment) affect variation?
decreases variation
increases variation
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What is the role of independent segregation (or random assortment) in meiosis?
to separate homologous chromosomes
to ensure that each daughter cell receives a random assortment of chromosomes
to produce genetically identical cells
to exchange genetic material between homologous chromosomes
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Which formula is used to calculate the number of genetically different zygotes produced as a result of fertilisation?
2n
(2n)2
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When calculating the number of genetically distinct gametes arising from independent segregation, what does the 'n' in the formula 2n represent?
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