Punnett square. genetics. biological inheritance, for example pea plants. diagram showing typical test crosses and the potential outcomes. heterozygous, recessive, and dominant Royalty-free licenses ...

Determine the parental genotypes – the allele combinations for the male and female. You can use any letter you like, but select one that has a clearly different lower case, for example: Aa, Bb, Dd.

Six-mark questions are often the questions that people find the most difficult. In all longer-answer questions, but especially the six-mark ones, it is important that you plan your answer and not just ...