Advertisements
Advertisements
प्रश्न
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Advertisements
उत्तर
Anaphase
APPEARS IN
संबंधित प्रश्न
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
State the difference between:
Chromosome and chromatid:
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Choose the correct answer:
Chromosomes number is halved in ____________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Choose the correct answer:
Chromosome number of man is _____________
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Differentiate between
Gametic meiosis and Zygotic meiosis.
(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 Chromosomes
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:
How many chromosomes are found in a cell of humans?
Duplicated chromosomes are joined at a point termed ______.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
Compare X chromosome and Y chromosome.
Long answer type question.
Describe the different types of chromosomes.
Define Aneuploidy.
