Advertisements
Advertisements
प्रश्न
Distinguish between the following pair:
Karyotype and Karyokinesis
उत्तर
The term karyotype refers to the group of characteristics that identify a particular set of chromosomes. Karyokinesis refers to the division of the nucleus.
संबंधित प्रश्न
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.
Expand the following biological abbreviations :
DNA
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
What are chromosomes?
State how does meiosis maintains chromosome number in a species.
(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.
Draw a duplicate chromosome and label its part.
Explain the Term Chromosomes
Name the following:
The part of the cell associated with heredity.
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
Nullisomy is represented by ______.
The centromere is found at the centre of the ______ chromosome.
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
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?
The female gamete/egg cell of a human cell will have ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
Define the following term:
Chromosome
