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प्रश्न
Chromosomes are mainly made up of ______.
पर्याय
Inheritance
sexual reproduction
asexual reproduction
chromosomes
DNA
RNA
gene
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उत्तर
Chromosomes are mainly made up of DNA.
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संबंधित प्रश्न
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.
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Write a sentence of the following:
Sheath
Choose the correct answer:
Chromosomes are thin and thread like at __________
Choose the correct answer:
Chromosomes largely consist of _______________
Synthesis phase in the cell cycle is called so for the synthesis of more of
Why gametes have a haploid number of chromosomes?
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
Explain the structure of a chromosome.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
In the human male, a sperm contains autosomes and ______.
Which of the following statements are correct?
- X chromosome has large amount of euchromatin.
- heterochromatin is genetically inert.
- Both X and Y chromosomes are homologous.
- Crossing over does not take place in sex chromosomes in female.
Choose the correct option.
