1
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

Genes $R$ and $Y$ follow independent assortment. If RRYY produce round yellow seeds and rryy produce wrinkled green seeds, what will be the phenotypic ratio of the F2 generation?

A
Phenotypic ratio - $9: 3: 3: 1$
B
Phenotypic ratio - $9:7$
C
Phenotypic ratio - $1:2:1$
D
Phenotypic ratio - $3: 1$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: When many alleles of a single gene govern a character, it is called polygenic inheritance.

Statement II: In Polygenic inheritance, the effect of each allele is additive.

In the light of the above statements, choose the correct answer from the options given below.

A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II:

List - I
Type of Inheritance
List - II
Example
(A) Incomplete dominance (I) Blood groups in human
(B) Co-dominance (II) Flower colour in Antirrhinum
(C) Pleiotropy (III) Skin colour in human
(D) Polygenic inheritance (IV) Phenylketonuria

Choose the correct answer from the options given below:

A
A-III, B-IV, C-II, D-I
B
A-II, B-I, C-IV, D-III
C
A-II, B-III, C-I, D-IV
D
A-IV, B-I, C-III, D-II
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

When a tall pea plant with round seeds was selfed, it produced the progeny of :

(a) Tall plants with round seeds and

(b) Tall plants with wrinkled seeds.

Identify the genotype of the parent plant.

A
TtRr
B
TtRR
C
TTRR
D
TTRr
NEET Subjects
EXAM MAP