EDUCATION (CBSE/UGC NET)

EDUCATION UGC NET

PSYCHOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The term ’gene’ for the factors controlling heredity was coined by -
A
T.H. Morgan
B
Hugo de vries
C
Gregor-Mendal
D
W. Johannsen
Explanation: 

Detailed explanation-1: -Danish botanist Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity. He also made the distinction between the outward appearance of an individual (phenotype) and its genetic traits (genotype).

Detailed explanation-2: -The word “gene” was not coined until early in the 20th century, by the Danish botanist Johannsen (1909), but it rapidly became fundamental to the then new science of genetics, and eventually to all of biology.

Detailed explanation-3: -Bateson first used the term “genetics” publicly at the Third International Conference on Plant Hybridization in London in 1906.

Detailed explanation-4: -Wilhelm Johannsen later proposed that genes should be called the Mendelian factors of inheritance.

Detailed explanation-5: -The way in which traits are passed from one generation to the next-and sometimes skip generations-was first explained by Gregor Mendel. By experimenting with pea plant breeding, Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.

There is 1 question to complete.