Question
Select the correct feature about sexual reproduction in organisms.
The correct answer is
It combines the DNA of two parents in the offspring.
Sexual Reproduction: Key Feature Explained
The defining characteristic of sexual reproduction among the options provided is the combination of genetic material from two parents.
- Option 1 is correct: Sexual reproduction involves the fusion of specialized reproductive cells called gametes (like sperm and egg). Each gamete carries DNA from one parent. When fertilization occurs, the DNA from the male gamete and the female gamete combine, creating a new genetic makeup for the offspring. This ensures the offspring inherits traits from two parents.
- Option 2 is incorrect: This describes asexual reproduction, where only one parent contributes genetic material.
- Option 3 is incorrect: While some species reproduce sexually with many offspring, the number of offspring is not a universal or defining feature exclusive to sexual reproduction. Asexual reproduction can also yield numerous offspring.
- Option 4 is incorrect: Offspring resulting from sexual reproduction are typically genetically unique and different from the parents due to the mixing of DNA and genetic recombination. Offspring exactly similar to parents are produced via asexual reproduction (cloning).
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Important Questions from Reproduction in Plants
Sporophyte stage is dominant in which plant group?
Types of cells in 2 celled pollen grains are ________.
Flowers are a fascinating organ of Angiosperms. Flowers are considered the object of aesthetic, ornamental, social and cultural value. Biologically flower is a ________.
In case of flowering plants, after fertilisation, the zygote divides several times to form an embryo within the _______.
The Generative Cell of the pollen grain divides to form -
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