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प्रश्न
Name the sex chromosomes in human males and females
उत्तर
Sex chromosomes in human males are X and Y.
Sex chromosomes in human females are XX.
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संबंधित प्रश्न
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
The Chromatin material is formed forms of ______.
What is the difference between chromatin fibre and chromosome?
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Choose the correct answer:
Chromosome number of man is _____________
State how does meiosis maintains chromosome number in a species.
Give Reasons for the following
Chromosomes are the carriers of heredity.
Explain the Term Leptotene
Complete the following sentence with appropriate word :
The spindle fibers are made of _______.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes are the thickest and shortest in telophase.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
Define euploidy.
Give the example of X- monosomy you have studied.
The centromere is found at the centre of the ______ chromosome.
Explain the structure of a chromosome.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
Small swellings on the surface of the chromosome are called______.
Define Aneuploidy.
