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प्रश्न
Multiple Choice Question:
The period between two successive mitotic divisions is
विकल्प
Diakinesis
Interphase
Anaphase
Mitosis
उत्तर
Interphase
APPEARS IN
संबंधित प्रश्न
State the exact location of the Centromere
Name the sex chromosomes in human males and females
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
State how does meiosis maintains chromosome number in a species.
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
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 Spindle
Name the following:
The part of the cell associated with heredity.
Very Short Answer Question.
What is allosome?
Describe the structure of sex chromosomes with the help of labelled diagram.
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
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 ______
Define Aneuploidy.