STAAR EOC Biology Meiosis and Sexual Reproduction — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice STAAR EOC Biology Meiosis and Sexual Reproduction in the app →How many rounds of chromosome duplication and nuclear division does meiosis involve?What is the synaptonemal complex made of, and where does it sit?Crossing over exchanges segments between which chromatids?How many chiasmata does each chromosome need for homologs to separate properly in meiosis I?How many chromatids make up a tetrad?Independent assortment alone gives a human how many genetically distinct gametes?What is pulled apart during anaphase I of meiosis?Why is meiosis I described as a reduction division?Which phase of a normal interphase is missing from interkinesis between the two meiotic divisions?At which stage of meiosis do sister chromatids finally separate?For how long does cohesin keep a pair of sister chromatids joined during meiosis?Meiosis II halves the DNA content again, yet it is not called a reduction division. Why not?How do the products of meiosis differ from the products of mitosis?Meiosis halves the number of chromosome sets. What restores the full number?Which idea explains why sexual reproduction persists even under fairly stable conditions?Why might an asexual population, in theory, grow twice as fast as a sexual one?Which life cycle do all fungi and some algae follow?Which cells in an animal are set aside to produce the gametes?A fern gametophyte produces gametes. Which process does it use, and why?What does a sporophyte produce by meiosis?