Which of the following statements about chromosomes is true?A)twenty-two of the 23 pairs of chromosomes are sex chromosomesB)The
sex of a new organism is determined by whether an X-bearing or Y-bearing sperm fertilizes the ovumC)The Y chromosome is quite large, whereas the X is short and carries little genetic material
B) The sex of a new organism is determined by whether an X-bearing or Y-bearing sperm fertilizes the ovum
Explanation:
The X and Y chromosomes determines the sex of mammals. Men have 46XY and women have 46XX chromosomes and these chromosomes are in pairs of 23. The female have XX, if the egg receives another X from the male sperm it will result in XX and a female is formed. But if the egg receives Y chromosome from the sperm XY if formed and that is male. The Y chromosome is the carrier of the gene that forms the testis.
They fought on the sides of the nationalists in order to try to stop the communists. ... The U.S.<span> had a </span>policy of containment<span> and if one Asian nation fell to communism then they all would.</span>
