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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Genetic Inheritance (GCSE Biology)

The following is a GCSE Biology test covering 'Genetic Inheritance' 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

In humans, the sex chromosomes in a male are:
A pedigree shows a trait in every generation and affects both sexes equally. The trait is most likely:
Why is genetic variation important for a population facing environmental change?
What is the main advantage of sexual reproduction for evolution?
In blood group inheritance, alleles A and B are both expressed when present together (AB). This is called:
In many species, the Y chromosome determines maleness because it contains a gene that:
If a tall (T) plant is heterozygous (Tt) crossed with a short (tt) plant, what proportion of offspring are expected to be tall?
In a Punnett square cross between two heterozygous parents (Aa × Aa), what is the expected genotypic ratio of offspring?
Which example is a discontinuous (discrete) variation in humans?
Which technique is used to compare DNA sequences between species to infer evolutionary relationships?
What name is given to different forms of the same gene located at the same position on homologous chromosomes?