Coal Mining is considered the most dangerous job in the United States. Mining also possibly releases harmful chemicals in the environment.
Answer:
The correct answer is 2.) 1 , 2
Mitosis is a type of cell division in which single parent cell divides into two daughter cells with equal number of chromosomes as in the parent cell.
It occurs in somatic cells of the body for growth and repair of the tissue.
It maintains the chromosomal number between parent and daughter cells and it is the reason that it is also called as equational division.
I think it might be prism I’m not sure
Answer:
C) maleness results from the minimal presence of one Y chromosome
Explanation:
- From the given question, it can be clearly observed that in males irrespective of whichever syndrome they have a Y chromosome is always present whereas in females Y chromosome is not present.
- Hence, one cal conclude that whenever the Y chromosome is present the individual acquires male characters.
- The Y chromosome whenever present produces the hormones that leads to maleness, and the number of Y chromosomes in males can also be more than one such as in case of XYY Klinefelter syndrome.
