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प्रश्न
What are genes?
उत्तर
Gene is a structural and functional unit of heredity and variations. Genes are specific sequences
of nucleotides on a chromosome that encode particular proteins which express in the form of
some particular feature of the body. In other words, gene is the DNA segment of the
chromosome and it controls the expression of characteristics
APPEARS IN
संबंधित प्रश्न
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Centromere is related to _______________
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Write a sentence of the following:
Telomere
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Explain the Term Chromosomes
Name the following:
The part of the cell associated with heredity.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
State the Location: Chromosomes
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
Give the example of X- monosomy you have studied.
The female gamete/egg cell of a human cell will have ______.
