Botany-Mendel's Laws

NEET Botany Mendel's Laws MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements about Mendel's laws and genetic principles is correct?

A

Genes are units of inheritance and can exist in different forms called alleles.

B

Trisomy is a condition where an individual has an extra chromosome that enhances genetic traits.

C

Mendel's Law of Segregation states that alleles for different traits assort independently during gamete formation.

D

Phenotypes in dihybrid crosses are always expressed in a 1:1 ratio.

Correct Answer

Option A

Detailed Explanation

Mendel proposed that genes are the units of inheritance, which can exist in different forms known as alleles. This aligns with the explanation of genetic inheritance provided in the NCERT context.

Found an issue with this question?