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Question
Synthesis phase in the cell cycle is called so for the synthesis of more of
Options
RNA
RNA and proteins
DNA
Glucose
Solution
DNA
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RELATED QUESTIONS
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
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 |
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Choose the correct answer:
Sex of an individual is determined by ____________
State how does meiosis maintains chromosome number in a species.
Explain the Term Centrioles
Give Technical Terms
The stage at which the formation of chiasmata occurs.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
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.
Name the following:
Pair of genes responsible for a particular characteristic.
Compare X chromosome and Y chromosome.
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?
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
In the human male, a sperm contains autosomes and ______.
