if two brown eyed people marry each other and each one had one blue eyed parent. What is the proportion of eye colour in their offspring?

a. 3:1

b. 1:4

c. 1:2

d. 2:2

Subtopic:  Monohybrid Cross: Further Understanding |
 73%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In dogs, dark coat colour (A) is dominant to albino (a) and short hair (L) is dominant to long hair (l). Determine the probable genotype of the parent who are dark and short and have progenies in the following ratio:

Dark and short-89

Dark and long -31

Albino and short- 29

Albino and long-11

a. AaLl

b. AALL

c. AaLL

d. AAll

Subtopic:  Dihybrid Cross Analysis |
 76%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If fruit weight in a plant was measured and following categories were obtained- 25g;30g;35g;40g;45g;50g;55g.Then, how many genes are involved for controlling fruit weight?

a. 2

b. 3

c. 5

d. 7

Subtopic:  Polygenic Inheritance & Pleiotropy |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If a character is controlled by 5 alleles, what will be the number of genotype in this case?

    1. 12
    2. 18
    3. 30
    4. 15
Subtopic:  Dominance Deviation from Mendel: 2 |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

What phenotypic ratio will be there when selfing of a trihybrid is performed in which two gene pairs are completely dominant and one gene pair is codominant?

    1. 3:9:1:2:1:3
    2. 27:9:3:1:3:3:1
    3. 9:3:3:1:18:6:6:2:9:3:3:1
    4. 18:6:6:2:1:2:1:2:1
Subtopic:  Dihybrid Cross: General Consideration |
 62%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If dihybrid mulatto male (AaBb) is crossed with white female(aabb), then the ratio of mulatto and white offspring will be-

    1. 1:6
    2. 1:1
    3. 4:1
    4. 2:1
Subtopic:  Dihybrid Cross: Details |
 72%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In a test cross of F1 generation, having a genotype AaBb, following progeny were obtained

AaBb- 450

aabb – 450

Aabb- 50

aaBb- 50

How far in centimorgans are the a and b genes?

a.100

b.90

c.10

d.1

Subtopic:  Monohybrid Cross: Further Understanding |
 53%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The distance between gene A, B, C and D on a chromosome is as follows:

A and C - 18 units

A and B - 26 units

A and D - 40 units

B and C - 8 units

B and D – 14 units

The sequence of these genes would be-

    1. ABCD
    2. ACBD
    3. ADCB
    4. ACDB
Subtopic:  Monohybrid Cross: Further Understanding |
 80%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following is an autosomal recessive blood disease?

    1. Phenylketonuria
    2. Thalassemia
    3. Haemophilia
    4. Muscular dystrophy
Subtopic:  Mendelian Disorders |
 68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following are correct with respect to Thalassemia?

    1. An autosomal dominant disorder
    2. Defect due to mutation or deletion
    3. Parents will be homozygous for thalassemia
    4. Occurs due to vitamin deficiency
Subtopic:  Mendelian Disorders: Thalassemia |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh