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प्रश्न
Expand the following biological abbreviations :
DNA
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उत्तर
Deoxyribose Nucleic Acid
APPEARS IN
संबंधित प्रश्न
Name the following:
The number of chromosomes present in a nerve cell of a human being.
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.
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Write a sentence of the following:
Sheath
Write a sentence of the following:
Telomere
Choose the correct answer:
Thick short chromosomes can be observed at (in mitosis) ___________
Choose the correct answer:
Chromosome number of man is _____________
Give Reasons for the following
Chromosomes are the carriers of heredity.
Differentiate between
Chromatin and Chromosome.
Differentiate between
Gametic meiosis and Zygotic meiosis.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Multiple Choice Question
Chromosomal aberrations are caused by:
Nullisomy is represented by ______.
The chromosomes are duplicated in ______.
Define the following term:
Chromosome
Define the following term:
Chromatid
