What is the phenotypic and genotypic ratio of F2 generation in incomplete dominance? 

(1) 3:1 and 1:2:1

(2) 1:2:1 and 3:1

(3) 1:2:1

(4) 1:1:1

Subtopic:  Dominance Deviation from Mendel: 1 |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Recessive character is expressed in

(1) F0

(2) F1

(3) F2

(4) Never expressed.

Subtopic:  Monohybrid Cross: 1 |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Type of pollination in Pisum sativum is

(1) Cross pollination

(2) Self-pollination

(3) Bud pollination

(4) Both 2 and 3

Subtopic:  Introduction to Genetics: 2 |
 56%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Our ancestors knew about the inheritance of characters and variations because-

(1) They selectively breed plants and animals and selected for organisms that possessed desirable characters.

(2) They introduced mutations

(3) They performed natural hybridisation

(4) All of the above

Subtopic:  Introduction to Genetics: 1 |
 54%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Monohybrid cross can be defined as

(1) Cross between plants differing in one chromosome

(2) Cross between plants differing in one character only

(3) Cross between plants differing in two traits

(4) All of the above

Subtopic:  Monohybrid Cross: 1 |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Types of gametes produced by a homozygous parent

(1) many

(2) single type

(3) depends upon number of genes

(4) depends upon number of chromosomes

Subtopic:  Monohybrid Cross: 1 |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

If a man consists of an extra copy of chromosome number 18, then the condition is known as

(1) Monosomy

(2) Trisomy

(3) Nullisomy

(4) Polyploidy

Subtopic:  Non - Disjunction & Aneuploidy |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Down’s syndrome was first described in the year

(1) 1962

(2) 1866

(3) 1856

(4) 1863

Subtopic:  Non - Disjunction & Aneuploidy |
 60%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Gynaecomastia refers to

(1) Masculine development in females

(2) Development of breasts in males

(3) Development of female characters in male

(4) Reduced breasts in the female

Subtopic:  Sex Linked Inheritance: Characteristics |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

In humans karyotype of 47, XXY leads to  

(1) Klinefelter’s syndrome

(2) Turner’s syndrome

(3) Down’s syndrome

(4) Edward’s syndrome

Subtopic:  Sex Aneuploidy - Turner & Klinefelter Syndrome |
 93%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch