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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Sex Determination (GCSE Biology)

The following is a GCSE Biology test covering 'Sex Determination' from the broader topic Inheritance, Variation And Evolution. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which chromosome pair determines biological sex in most human males and females?
Why are X-linked recessive disorders less frequently expressed in females than in males?
Which condition results from an extra X chromosome in males (XXY)?
Which method could be used to estimate the sex ratio of a wild population of animals without capturing them?
Which process increases genetic variation by exchanging DNA between homologous chromosomes during prophase I of meiosis?
How can gene mutation on a sex chromosome affect evolution differently from mutation on an autosome?
In humans, which event during meiosis produces gametes with different combinations of maternal and paternal chromosomes?
What is the role of the SRY gene located on the Y chromosome in humans?
Which of the following statements about sex-linked recessive traits is correct?
If a trait is Y-linked, which pattern is expected in a family?
Which environmental sex determination example is correct?