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प्रश्न
Choose the correct answer:
Chromosomes number is halved in _____________
विकल्प
meiosis I
meiosis II
mitosis
amitosis
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उत्तर
Chromosomes number is halved in meiosis I
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संबंधित प्रश्न
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong
Centrosome.Cell wall, Cell membrane, Large vacuoles
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
Chromosomes are mainly made up of ______.
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Choose the correct answer:
Chromosomes are thin and thread like at __________
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Give the example of X- monosomy you have studied.
Describe the structure of sex chromosomes with the help of labelled diagram.
The centromere is found at the centre of the ______ chromosome.
The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
Distinguish between the following pair:
Karyotype and Karyokinesis
