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Mention Whether the Following Statement is (T) Or (F). Give Reason in Support of Your Answer. the Unfertilized Human Egg Has Half the Number of Chromosomes of the Body Cells. - Biology

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प्रश्न

Mention whether the following statement is (T) Or (F). Give reason in support of your answer. 

The unfertilized human egg has half the number of chromosomes of the body cells. 

विकल्प

  • True

  • False

MCQ

उत्तर

True 

All types of human cells, have 46 chromosomes. The only type of cell which does not have 46 chromosomes are the sex cells, which have only half of the number, so they have 23 chromosomes. The egg cell is a sex cell (found in female). So it must have 23 chromosomes.

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अध्याय 2: Structure of chromosome, cell cycle and cell division - Short answer type [पृष्ठ २०]

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सेलिना Concise Biology [English] Class 10 ICSE
अध्याय 2 Structure of chromosome, cell cycle and cell division
Short answer type | Q 7.2 | पृष्ठ २०

संबंधित प्रश्न

Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.


Fill in the blank 

The _______ (s) are surrounded by radiating rays called aster


“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement? 


 Expand the following biological abbreviations : 
 DNA 


Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________


Write a sentence of the following:
Sheath


What do you understand by sex chromosomes?

How are sex chromosomes significant?

Give the importance of chromosomes as hereditary material.

Choose the correct answer:
Sex of an individual is determined by ____________


Explain the Term Leptotene


Explain the Term Chromosomes


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:

Cells having a single set of chromosomes.


Multiple Choice Question

Chromosomal aberrations are caused by:


With the help of a neat labelled diagram, describe the structure of chromosome.


In humans, the sex chromosome complement is


The thin thread-like structures found in the nucleus of each cell are called ______.


The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?


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