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प्रश्न
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
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उत्तर
Genes are specific sequences of nucleotides on a chromosome.
संबंधित प्रश्न
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Write a sentence of the following:
Telomere
Choose the correct answer:
Chromosome number of man is _____________
Why gametes have a haploid number of chromosomes?
How does colchicine act as mitotic poison? Is there any advantage of it?
(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 Spindle
Duplicated chromosomes are joined at a point termed ______.
State the Location: Polytene chromosome
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Multiple Choice Question
Chromosomal aberrations are caused by:
Which of the following type of chromosomes has only one telomere?
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
After a mitotic cell division, a human female cell will have ______.
Rewrite the correct form of the statement by changing the first or last word only:
Duplicated chromosomes remain attached at a point termed as centrosome.
