Very Short Answers...… Class 10...…… No spam...….. Only 5 questions...…...
1) What is a gene?
2) What is a chromosome? Give the different types of chromosomes.
3) What is meant by analogous organs?
4) What is meant by heredity? What is the meaning of evolution?
5) What is the name of the scientist who defined the theory of evolution?
Answers
Answer:
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Explanation:
1 Answer : A gene is the basic physical and functional unit of heredity. In biology, a gene is a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product,either RNA or protein.
2 Answer : A chromosome is a threadlike structure of nucleus acids and protein found in the nucleus of most living cells,carrying genetic information in the form genes.
There are four main types of chromosome: Metacentric ,submetacentric ,acrocentric ,and telocentric
3 Answer : Analogous organs are the organs of different animals which have different basic structure but perform same function.
4 Answer :The passing on of physical or mental characteristics genetically from one generation to another. This is called heredity.
The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth. This is called evolution.
5 Answer :Charles Darwin is the name of the scientist.