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?
has no effect on genetic variation
decreases genetic variation
increases 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 produce genetically identical cells
to separate homologous chromosomes
to exchange genetic material between homologous chromosomes
to produce somatic cells
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In which stage of meiosis does independent segregation (or random assortment) take place?
anaphase I
prophase II
metaphase I
telophase II
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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 exchange genetic material between homologous chromosomes
to separate homologous chromosomes
to produce genetically identical cells
to ensure that each daughter cell receives a random assortment of chromosomes
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Which formula is used to calculate the number of genetically different zygotes produced as a result of fertilisation?
(2n)2
2n
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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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