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प्रश्न
What is a clone? Why do offsprings formed by asexual reproduction exhibit remarkable similarity?
उत्तर
Clone is an organism produced through asexual reproduction and resembles its parent. Offspring produced through asexual reproduction receive exact copy of DNA from their single parent. So, they exhibit remarkable similarity.
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संबंधित प्रश्न
State the main difference between asexual and sexual reproduction.
What would be the chromosome number of resulting cells when a microspore mother cell with 40 chromosomes undergoes meiosis?
In the following Question, the Assertion, and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following
Assertion: In human beings, the female. play a major role in determining the sex of the offspring.
Reason: Women have two X chromosomes.
Characters transmitted from parents to offspring are present in
A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that
The correct sequence of reproductive stages seen in flowering plants is
Offspring formed as a result of sexual reproduction exhibit more variations because
Write two points of difference between asexual and sexual types of reproduction. Describe why variations are observed in the offspring formed by sexual reproduction.
One morning as Paheli strolled in her garden she noticed many small plants which were not there a week ago. She wondered where they had come from as nobody had planted them there. Explain the reason for the growth of these plants.
| The most obvious outcome of the reproduction process is the generation of individuals of similar design, but in sexual reproduction they may not be exactly alike. The resemblances as well as differences are marked. The rules of heredity determine the process by which traits and characteristics are reliably inherited. Many experiments have been done to study the rules of inheritance. |
- Why an offspring of human being is not a true copy of his parents in sexual reproduction?
- While performing experiments on inheritance in plants, what is the difference between F1 and F2 generation?
- (A) Why do we say that variations are useful for the survival of a species over time?
OR
(B) Study Mendel's cross between two plants with a pair of contrasting characters.
RRYY × rryy Round Yellow Wrinkled Green He observed 4 types of combinations in F2 generation. Which of these were new combinations? Why do new features which are not present in the parents, appear in F2 generation?
