Question

'Continuity of germplasm' theory was given by

• A. De Vries
• B. Weismann
• C. Darwin
• D. Lamarck.

Answer 1

The Correct Option is B

The 'Continuity of Germplasm' theory was proposed by August Weismann, a German biologist. This theory forms an important basis for understanding heredity and biological evolution. Let's break down the reasoning behind the correct answer:

1. Theory of Continuity of Germplasm:
   • Weismann's theory suggests that the genetic information is passed from one generation to the next through what he termed 'germplasm.'
   • According to this theory, only the genetic material found in the germ cells (such as sperm and egg) is responsible for heredity. Somatic cells, which make up the rest of the organism's body, do not transmit genetic information to the next generation.
2. Why Not the Others?
   • De Vries: Known for his mutation theory, which explains variations in species.
   • Darwin: Proposed the theory of natural selection, a cornerstone of evolutionary biology.
   • Lamarck: Best known for his theory of inheritance of acquired characteristics, which is distinct from Weismann's ideas.

All the other scientists mentioned had their own theories related to evolution or genetics, but Weismann specifically proposed the theory of continuity of germplasm, making him the correct answer for this question. Understanding these distinctions is crucial in the study of genetics and evolutionary biology.