Advertisements
Advertisements
प्रश्न
Choose the correct answer:
Telocentric chromosomes are _________________
पर्याय
I shaped
V shaped
J shaped
L shaped
Advertisements
उत्तर
Telocentric chromosomes are I shaped
APPEARS IN
संबंधित प्रश्न
Match the events given in column A with the phase in mitotic cell division in column B.
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
a. | Anaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
b. | Prophase |
| 3. | Chromosomes become visible as fine, long threads. |
c. | Telophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
d. | Metaphase |
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
Chromosomes appear at equator in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Write a sentence of the following:
Centromere
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Synthesis phase in the cell cycle is called so for the synthesis of more of
Identify the stages of meiosven below and label them.
Duplicated chromosomes are joined at a point termed ______.
State the Location: Chromosomes
State the Location: Polytene chromosome
Name the following:
Pair of genes responsible for a particular characteristic.
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. |
Long answer type question.
Describe the different types of chromosomes.
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?
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 female gamete/egg cell of a human cell will have ______.
Define the following term:
Chromosome
