Advertisements
Advertisements
Question
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Options
20 Pairs
46 Pairs
23 Pairs
46 Pairs
Solution
46 Pairs
APPEARS IN
RELATED QUESTIONS
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
What is the number of chromosomes in the gametes of human beings?
The term “chromosomes” literally means ______.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
State how does meiosis maintains chromosome number in a species.
Multiple Choice Question
Chromosomal aberrations are caused by:
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
In humans, the sex chromosome complement is
Give the example of X- monosomy you have studied.
The centromere is found at the centre of the ______ chromosome.
The number of chromosomes found in human beings is ______.
Some of the chromosomes have an elongated knob-like appendages known as telomere.
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Small swellings on the surface of the chromosome are called______.
Define the following term:
Chromatid
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
