Advertisements
Advertisements
प्रश्न
Choose the correct answer:
Centromere is related to ________
पर्याय
movement of chromosomes
DNA replication
all of these
spindle formation
उत्तर
Centromere is related to movement of chromosomes
APPEARS IN
संबंधित प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong
Centrosome.Cell wall, Cell membrane, Large vacuoles
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Choose the correct answer:
In an interphase cell chromosome are as _____________
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:
Chromosome number of man is _____________
Give Reasons for the following
The meiosis is called reductional division
Differentiate between
Chromatin and Chromosome.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes are the thickest and shortest in telophase.
Duplicated chromosomes are joined at a point termed ______.
Write the functional activity of the following structure:
Chromosome
Name the following:
Pairs of chromosomes, present in human egg cells.
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
Multiple Choice Question
Chromosomal aberrations are caused by:
Very Short Answer Question.
What is allosome?
The number of chromosomes found in human beings is ______.
The thin thread-like structures found in the nucleus of each cell are called ______.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
The chromosomes are duplicated in ______.
