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प्रश्न
What is the importance of meiosis?
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उत्तर
he meiosis is important to maintain the constant number of chromosomes in a species. It also brings about variations which result in the evolution or origin of new species
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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
State the exact location of the Centromere
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.
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Chromosomes largely consist of _______________
Differentiate between
Chromatin and Chromosome.
Explain the Term Leptotene
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
State the Location: Chromosomes
Write the functional activity of the following structure:
Chromosome
Name the following:
Pair of genes responsible for a particular characteristic.
Multiple Choice Question
Chromosomal aberrations are caused by:
Long answer type question.
Describe the different types of chromosomes.
In humans, the sex chromosome complement is
Define the following term:
Chromatid
