Answer:
The correct option is D
Explanation:
A male sperm needs a x chromosome and y chromosome , whereas a female sperm needs 2 x chromosomes , Thus both genders needing x chromosome
A robin flying south for the winter
Red pandas are going extinct because of habitat destruction. They also reproduce slowly, that's why they're one of the most endangered animals.. :(
Peer review is a means of quality control for scholarly journal articles and books. It is the evaluation process of academic, scientific and professional work done by other individuals working in a similar field. Sometimes, the articles published in academic Journals are also referred as scholarly journals.
Hope this helps.