What is a:
1) gene?
2) locus?
3) allele?

What does meiosis produce?

When haploid cells fuse at fertilisation, what occurs?

How many nuclear divisions does meiosis have and when do they occur?

What happens during:
1) meiosis one?
2) meiosis two?

In which two ways does meiosis bring about genetic variation between offspring?

Describe the independent segregation of chromosomes.

What is the same in each member of a pair of homologous chromosomes?

How does variation occur in genetic combinations?

What happens in genetic recombination by crossing over?

What is produced from crossing over?