Give an example of characteristics being used to determine how close two species are in evolutionary terms.
Answers
The somatic cells in human beings contain 23 pairs of chromosomes and composed of different types of chromosomes where named at the X and Y chromosomes.
This 23rd pair contains one X and one Y chromosome in a male and 23rd pair in a female contains X chromosomes.
The sperm may have either X or Y chromosome are fertilizes the egg and resulting zygote would develop into a female child and develop into a male child.
Let us take the instance of humans and apes. Each of them have similar body style. Hair and exocrine gland glands are gift in each the animals. Hence, these 2 animals are closely connected in organic process term. Currently take some common characters between a fish and a person. Rachis, brain box and jaws are gift in each of them. However fish and man look entirely different from one another. Hence, they’re not closely connected in organic process term; rather are like distant relatives.