Ria was studying about DNA in her textbook that DNA molecules contain the information which is necessary for constructing and organising cells and it is present as a part of chromatin material in the nucleus of a cell which is not dividing, also the functional segments of DNA are called genes which are responsible for the transfer of hereditary information. To this Ria was confused how would she know whether she possesses all the hereditary information from her parents, then her mother told her that in their hair or nails, genes are present through which the DNA of parents and a child is matched.
Q. Ria was studying about DNA in her textbook that DNA molecules contain the information which is necessary for constructing and organising cells and it is present as a part of chromatin material in the nucleus of a cell which is not dividing, also the functional segments of DNA are called genes which are responsible for the transfer of hereditary information. To this Ria was confused how would she know whether she possesses all the hereditary information from her parents, then her mother told her that in their hair or nails, genes are present through which the DNA of parents and a child is matched.
(a) What kind of qualities are shown by Ria’s mother ?
(b) In which part of a cell DNA is found ? State its function.
Ans. (a) (i) In-depth knowledge.
(ii) Care and concern for her daughter.
(b) DNA is present in the nucleus. DNA molecules contain the information necessary for constructing and organising cells.
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