The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to :
The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to :
Options
The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to halving of chromosomes at the time of gamete formation.
Marking Scheme
- 11 mark
Hint
Recall the concept of meiosis and its role in sexual reproduction.
Quick Oral Answer
The number of chromosomes in parents and offsprings of a particular species undergoing sexual reproduction remain constant due to halving of chromosomes at the time of gamete formation.
Analysis & Explanation
The question requires the student to understand the concept of sexual reproduction and how the number of chromosomes remains constant in parents and offsprings. The correct answer is halving of chromosomes at the time of gamete formation, which is a result of the process of meiosis.
Common Mistakes
- 1doubling of chromosomes
- 2zygote formation
Interesting Facts
Meiosis is a specialized type of cell division that reduces the chromosome number by half, resulting in the production of gametes.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2023?
This question carries 1 mark in the CBSE Class 10 Science 2023 examination.
Which chapter does this question come from in Science?
This question is from the chapter "How do Organisms Reproduce?" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Sexual Reproduction" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2023 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2023 paper.