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प्रश्न
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
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उत्तर
It is a chromosome and not the individual gene which segregates during gamete formation.
संबंधित प्रश्न
Choose the odd one out and name the category to which it belongs.
Centrosome, Cell wall, Cell membrane, Large Vacuole.
The term “chromosomes” literally means ______.
State the difference between:
Chromosome and chromatid
Choose the correct answer:
Chromosomes number is halved in ____________
Write a sentence of the following:
Telomere
Choose the correct answer:
Chromosomes are thin and thread like at __________
Synthesis phase in the cell cycle is called so for the synthesis of more of
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
What is the importance of meiosis?
Differentiate between
Gametic meiosis and Zygotic meiosis.
Complete the following sentence with appropriate word :
Polytene chromosomes are found in _________ of fly larvae.
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.
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question:
The period between two successive mitotic divisions is
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.
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'.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
In the human male, a sperm contains autosomes and ______.
