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प्रश्न
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
उत्तर
Balbiani - Described rod like structures in nucleus before cell division.
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संबंधित प्रश्न
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
What are genes?
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
Centromere is related to _______________
Write a sentence of the following:
Sheath
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Explain the Term Zygotene
Explain the Term Spindle
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.
Write the functional activity of the following structure:
Chromosome
Name the following:
The number of chromosomes present in human gametes.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
In humans, the sex chromosome complement is
Explain the structure of chromosomes with labelled diagram.
The loss of one or more chromosomes in ploidy is called ______.
Explain the structure of a chromosome.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
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'.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
