Studying Inheritance (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the term 'genotype' refer to?
What does the term 'genotype' refer to?
Complete genetic makeup of organism
What determines an organism's phenotype?
What determines an organism's phenotype?
Interaction of genotype & environment
What do genes typically code for?
What do genes typically code for?
Particular polypeptides
What are alleles?
What are alleles?
Different variants of the same gene
How many alleles for each gene do diploid organisms possess?
How many alleles for each gene do diploid organisms possess?
Two alleles
In a heterozygous individual, which allele typically expresses in the phenotype?
In a heterozygous individual, which allele typically expresses in the phenotype?
The dominant allele only
When does a recessive trait appear in the phenotype?
When does a recessive trait appear in the phenotype?
When homozygous recessive
What is codominance?
What is codominance?
Both alleles contribute equally
How many alleles can an individual possess for a gene with multiple alleles in the population?
How many alleles can an individual possess for a gene with multiple alleles in the population?
Only two alleles
When do dominant alleles express themselves?
When do dominant alleles express themselves?
Even when paired with different allele