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प्रश्न
Name the following:
The number of chromosomes present in a nerve cell of a human being.
उत्तर
46 (23 pairs)
APPEARS IN
संबंधित प्रश्न
Name the sex chromosomes in human males and females
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
State the difference between:
Chromosome and chromatid:
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Choose the correct answer:
Chromosomes number is halved in _____________
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Sex of an individual is determined by ____________
Differentiate between
Gametic meiosis and Zygotic meiosis.
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Complete the following sentence with appropriate word :
Polytene chromosomes are found in _________ of fly larvae.
Name the following:
The pattern of arrangement of genes along a chromosome.
Compare X chromosome and Y chromosome.
Long answer type question.
Describe the different types of chromosomes.
Describe the structure of sex chromosomes with the help of labelled diagram.
Which of the following type of chromosomes has only one telomere?
Define the following term:
Chromosome
Distinguish between the following pair:
Karyotype and Karyokinesis
