Dihybrid Inheritance (AQA A-Level Biology): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does dihybrid inheritance describe?
What does dihybrid inheritance describe?
Two traits from genes on separate chromosomes
Why do genes behave independently in dihybrid inheritance?
Why do genes behave independently in dihybrid inheritance?
They are located on separate chromosomes
In Mendel's pea plant experiment, which seed colour was dominant?
In Mendel's pea plant experiment, which seed colour was dominant?
Yellow
What was the genotype of all F1 offspring from the cross RRGG × rrgg?
What was the genotype of all F1 offspring from the cross RRGG × rrgg?
RrGg
What phenotypic ratio appeared in the F2 generation of Mendel's dihybrid cross?
What phenotypic ratio appeared in the F2 generation of Mendel's dihybrid cross?
9:3:3:1
How many different gamete types can an RrGg plant produce?
How many different gamete types can an RrGg plant produce?
Four
What does Mendel's law of independent assortment state?
What does Mendel's law of independent assortment state?
Allele pairs combine randomly with other pairs
Why can any colour allele combine with any shape allele during gamete formation?
Why can any colour allele combine with any shape allele during gamete formation?
Genes for colour and shape are on separate chromosomes
Which meiosis event directly causes independent assortment in dihybrid crosses?
Which meiosis event directly causes independent assortment in dihybrid crosses?
Random chromosome arrangement in meiosis I
What did Mendel's dihybrid work demonstrate about genes?
What did Mendel's dihybrid work demonstrate about genes?
They behave as discrete units