Answer:
Domesticating plants and animals
Fear of snakes and spiders
Social roles and cooperation
Explanation:
The reason that we inherited these traits from our ancestors is that they confer an advantage in the environment in which we live. This process occurred through natural selection pressures that power evolution. Individuals that bore these traits had higher chances of reaching reproductive age and passing down their genes. Individuals without these traits died sooner hence their genes reduced with every generation.
I’m pretty sure it’s physical
Answer:
Sperm and egg have 23 the number of chromosomes as a body cell.
Hope this helps =)
There is Homozygous Dominant which is two dominant alleles, then Homozygous Recessive which is two alleles that will only be shown if it is paired with heterozygous which is a Dominant and recessive. I hope that makes sense, sorry i’m bad at explaining but if it doesn’t I can try and explain it again.
