Select Question Set:
Q. No.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
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.
Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (Type of cross) | (Phenotypic ratio) | ||
| (A) | Monohybrid cross | (I) | 1:1 |
| (B) | Dihybrid cross | (II) | 1:2:1 |
| (C) | Incomplete dominance | (III) | 3:1 |
| (D) | Test cross | (IV) | 9:3:3:1 |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | IV | II | I |
| 2. | II | IV | III | I |
| 3. | II | III | IV | I |
| 4. | IV | III | I | II |
Subtopic: Monohybrid Cross: Further Understanding | Dihybrid Cross: General Consideration | Dihybrid Cross: Details | Dominance Deviation from Mendel: 1 | Dominance Deviation from Mendel: 2 |
82%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
A heterozygous pea plant with violet flowers was crossed with a homozygous pea plant with white flowers. Violet is dominant over white. Which one of the following represents the expected combinations among 40 progenies formed?
1. 30 produced violet and 10 produced white flowers
2. 20 produced violet and 20 produced white flowers.
3. All 40 produced violet flowers
4. All 40 produced white flowers
1. 30 produced violet and 10 produced white flowers
2. 20 produced violet and 20 produced white flowers.
3. All 40 produced violet flowers
4. All 40 produced white flowers
Subtopic: Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
68%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
In which disorder, change of single base pair in the gene for beta globin chain results in change of glutamic acid to valine?
| 1. | Thalassemia | 2. | Sickle cell anemia |
| 3. | Haemophilia | 4. | Phenylketonuria |
Subtopic: Mendelian Disorders: Sickle Cell Anemia |
84%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.