Please help me with these three questions
As a patch of scraped skin heals, the cells fill in the injured areas but do not grow beyond that. This is an example of?
density independent inhibition
density dependent inhibition
growth factor inhibition
Which of the following abnormalities can be found in humans related to sex chromosomes?
Two x and one y chromosome causing Klinefelter syndrome
Three x chromosomes with no apparant symptoms
Only one x chromosome causing Turner syndrome.
One x and two y chromosomes causing no symptoms
All of the above are human chromosomal abnormalities
Which of the following statements is false?
a typical body cell is called a somatic cell
gametes are haploid cells
gametes are made by mitosis
a zygote is a fertilized egg