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प्रश्न
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उत्तर
The 22 pairs of autosomes are present in man.
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संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The condition in which a pair of chromosomes carries similar alleles of a particular character.
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
State the difference between:
Chromosome and chromatid:
Choose the correct answer:
Centromere is related to _______________
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Sex of an individual is determined by ____________
What is the importance of meiosis in creating variations?
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Duplicated chromosomes are joined at a point termed ______.
Give Technical Term:
Transmission of characters through generations.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
Nullisomy is represented by ______.
Define euploidy.
The number of chromosomes found in human beings is ______.
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
The female gamete/egg cell of a human cell will have ______.
In the human male, a sperm contains autosomes and ______.
