Select Question Set:
Q. No.Who coined the term linkage to describe physical association of genes on a chromosome?
1. Sutton and Boveri
2. Bateson and Punnet
3. T. H. Morgan
4. Watson and Crick
Subtopic: Understanding Linkage | Linkage Types |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What is the expected percentage of F2 progeny with yellow and inflated pod in dihybrid cross experiment involving pea plants with green coloured, inflated pod and yellow coloured constricted pod?
1. 100%
2. 56.25%
3. 18.75 %
4. 9%
1. 100%
2. 56.25%
3. 18.75 %
4. 9%
Subtopic: Dihybrid Cross: General Consideration | Dihybrid Cross: Details |
70%
From NCERT
Please attempt this question first.
Hints
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Mendel's law of independent assortment holds good for genes that are located closely on the same chromosome. |
| Reason (R): | Closely located genes assort independently. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | (A) is not correct and (R) is not correct |
| 2. | Both (A) and (R) are correct and (R) is the correct explanation of (A) |
| 3. | Both (A) and (R) are correct but (R) is not the correct explanation of (A) |
| 4. | (A) is correct and (R) is not correct |
Subtopic: Dihybrid Cross: Details |
70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant?
1. Pentaploid
2. Hexaploid
3. Diploid
4. Triploid
1. Pentaploid
2. Hexaploid
3. Diploid
4. Triploid
Subtopic: Non - Disjunction & Aneuploidy |
76%
Please attempt this question first.
Hints
The 'Inheritance of blood groups' in humans is not an example of:
a. Dominance
b. Co-dominance
c. Multiple allelism
d. Incomplete dominance
e. Polygenic inheritance
1. a and b only
2. c, d and e only
3. d and e only
4. b, c and d only
a. Dominance
b. Co-dominance
c. Multiple allelism
d. Incomplete dominance
e. Polygenic inheritance
1. a and b only
2. c, d and e only
3. d and e only
4. b, c and d only
Subtopic: Co-dominance |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The phenomenon of pleiotropism refers to:
| 1. | more than two genes affecting a single character. |
| 2. | presence of several alleles of a single gene controlling a single crossover. |
| 3. | presence of two alleles, each of the two genes controlling a single trait. |
| 4. | a single gene affecting multiple phenotypic expressions. |
Subtopic: Polygenic Inheritance & Pleiotropy |
78%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Frequency of recombination between gene pairs on same chromosome as a measure of the distance between genes to map their position on chromosome, was used for the first time by:
| 1. | Henking | 2. | Thomas Hunt Morgan |
| 3. | Sutton and Boveri | 4. | Alfred Sturtevant |
Subtopic: Understanding Linkage | Linkage Types | Recombination & Gene Mapping |
71%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following statements are correct about Klinefelter's Syndrome?
Choose the correct answer from the options given below:
| A. | This disorder was first described by Langdon Down (1866). |
| B. | Such an individual has overall masculine development. However, the feminine development is also expressed. |
| C. | The affected individual is short statured. |
| D. | Physical, psychomotor and mental development is retarded. |
| E. | Such individuals are sterile. |
| 1. | A and E only | 2. | A and B only |
| 3. | C and D only | 4. | B and E only |
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
81%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Broad palm with single palm crease is visible in a person suffering from-
| 1. | Thalassemia | 2. | Down's syndrome |
| 3. | Turner's syndrome | 4. | Klinefelter's syndrome |
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
86%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Which one of the following symbols represents mating between relatives in human pedigree analysis?
| 1. | .svg) |
2. | .svg) |
| 3. | .svg) |
4. | .svg) |
Subtopic: Pedigree Analysis: Basics |
88%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.