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प्रश्न
Chromosomes are mainly made up of ______.
विकल्प
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
Name the sex chromosomes in human males and females
Choose the correct answer:
Centromere is related to _______________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
How does colchicine act as mitotic poison? Is there any advantage of it?
What is the importance of meiosis in creating variations?
Give Reasons for the following
Chromosomes are the carriers of heredity.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
Explain the Term Leptotene
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
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.
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
The diploid number for cell of man.
What is allosome?
Identify the odd one:-
In humans, the sex chromosome complement is
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
