Question

Match List - I with List - II. List - I
A. Gene
B. Allele
C. Locus
D. Chromosome
List - II
I. Physical location on chromosome
II. Alternate form of a gene
III. Unit of inheritance
IV. Haploid or Diploid

• A. A-I, B-II, C-III, D-IV
• B. A-III, B-II, C-I, D-IV
• C. A-II, B-I, C-III, D-IV
• D. A-IV, B-I, C-III, D-II

Hint:

Gene = unit of inheritance
Allele = alternate form
Locus = position on chromosome

Answer 1

The Correct Option is B

Concept:
Basic genetic terminology helps in understanding inheritance and gene organization.

Step 1: Gene (A)

• A gene is the fundamental unit of heredity.
• It carries information for specific traits. Thus, A $\rightarrow$ III.

Step 2: Allele (B)

• Alleles are alternative forms of a gene.
• Example: tall and dwarf alleles. Thus, B $\rightarrow$ II.

Step 3: Locus (C)

• Refers to the specific position of a gene on a chromosome. Thus, C $\rightarrow$ I.

Step 4: Chromosome (D)

• Chromosomes exist in haploid or diploid conditions.
• Carry multiple genes. Thus, D $\rightarrow$ IV. Final Matching: \[ A-III,\; B-II,\; C-I,\; D-IV \] \[ \boxed{\text{Option (B)}} \]