Answer:
The original organism is called the <u><em>parent (ancestor)</em></u> , and new organisms are called the <u><em>offspring</em></u>.
Explanation:
Reproduction is one of the characteristics of life. Every living organism tends to give rise to another organism. The organism which gives rise to another organism is termed as the parent. The organism which is born is known as the offspring.
There are two basic methods of reproduction. An organism can give rise to another organism by the method of asexual or sexual reproduction.
During asexual reproduction, identical copies of the parent organism are made. During sexual reproduction, two organisms reproduce to produce non-identical offsprings.
The same locus on homologous
A chromosome contains one long DNA strand.
B.
Answer:
D. antigen only come from microbes
Explanation:
Antigens are substances which elicits a response by the antibodies. Antigens Antigens include proteins, nucleic acids, lipoproteins, glycoproteins, and certain large polysaccharides.
They parts of antigen molecules that initiate immune responses are called epitopes or antigenic determinants.
