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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Meiosis (GCSE Biology)

The following is a GCSE Biology test covering 'Meiosis' from the broader topic Inheritance, Variation And Evolution. The test is geared towards the AQA exam board style syllabus.
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What is meant by a diploid organism being homozygous for a gene?
In plants, which structures are produced by meiosis to form pollen and ovules?
How does meiosis differ from mitosis in terms of chromosome number in daughter cells?
How many daughter cells are produced at the end of one complete meiosis I + II cycle in humans?
Which phrase best explains homologous chromosomes?
Which of these is an outcome of crossing over during prophase I?
Which statement about homologous chromosomes and sister chromatids is correct?
What is the immediate result when a haploid sperm cell fertilises a haploid egg cell?
Which error in meiosis results in a gamete with an extra chromosome and can lead to conditions such as Down syndrome?
What is the consequence in a zygote if two gametes, one carrying an extra chromosome 21 and one normal, fuse?
A population of beetles shows variation in colour due to different alleles. Predators catch the lighter beetles more often, leaving dark beetles to reproduce. Which process describes this change in the population over generations?