Half of the possible offspring have the same allele combination; AA homozygous dominant and the other half have the Aa heterozygous combination. Probability close probabilityThe extent to which ...

Ideal as a lesson starter, this short clip and accompanying image bank focuses on the significance of the cross within Christianity. Pupils will see different examples of crosses and learn that many ...

Where Aa = female genotype close genotypeThe alleles that an organism has for a particular characteristic, usually written as letters. Probability close probabilityThe extent to which something is ...