NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Section of DNA that determines a trait
A
gene
B
phenotype
C
mutation
D
natural selection
Explanation: 

Detailed explanation-1: -Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.

Detailed explanation-2: -Traits are determined by an individual’s genotype, the summation of the genes in our DNA. A gene is a portion of a chromosome. A chromosome is composed of DNA and contains the genetic material for an organism.

Detailed explanation-3: -Genes are short pieces of DNA that carry specific genetic information.

There is 1 question to complete.