Q.'Gametes are never hybrid'. This is a statement of

Step 1. The Law of Segregation states that the two alleles of a gene pair separate cleanly from each other during gamete formation, so that each gamete receives only one of the two alleles.

Step 2. Because a gamete therefore never carries both alleles of a pair together, it is never itself heterozygous ('hybrid') for that gene - it is always genetically 'pure' for whichever single allele it received.

Step 3. This is exactly the meaning of the statement 'gametes are never hybrid': it is a restatement of the Law of Segregation, sometimes for that reason also called the Law of Purity of Gametes. …

Recognise 'gametes are never hybrid' as the everyday phrasing of the Law of Segr …

• Confusing gamete purity (segregation) with the separate concept of dominance. …