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प्रश्न
In humans, the sex chromosome complement is
पर्याय
XX-XY
XX-XO
ZZ-ZO
ZW-ZZ
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उत्तर
XX-XY
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संबंधित प्रश्न
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
Expand the following biological abbreviations :
DNA
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
Differentiate between
Cytokinesis in plant and animal cell
Explain the Term Leptotene
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Explain the structure of chromosomes with labelled diagram.
The chromosomes are duplicated in ______.
