1. courtship rituals 2. attract a mate 3. internal fertalisation occurs inside the feamales body whereas external fertalisation occurs outside the feamales body 4. <span>Gametes may get washed away 5. the devoloping zygote is protected</span>
The parents both need to be heterozygous, meaning they have to have one dominant and one recessive allele.
4. nucleoid region
Bacterial cell's do not have a nucleus; their DNA is found in this region.