Inheritance, Variation And Evolution - Aqa Biology Questions (GCSE Biology)

The following is a GCSE Biology test covering 'Inheritance, Variation And Evolution - Aqa Biology Questions'

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What are homologous chromosomes?

What is a mutation?

Which molecule carries genetic instructions from parents to offspring?

Which reproductive method produces genetically identical offspring?

What is an allele?

In humans, what combination of sex chromosomes produces a female?

Which type of variation is caused mainly by genes and not by the environment?

How does fossil evidence support evolution?

In a simple Punnett square cross of two homozygous parents AA × aa, what proportion of offspring are heterozygous?

Which statement about continuous variation is correct?

A red flower allele (R) is dominant to a white flower allele (r). What is the phenotype of a plant with genotype Rr?

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