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प्रश्न
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
विकल्प
24
48
17
16
उत्तर
24
Explanation:
In gametes, chromosomes split in half. 48 chromosomes will thus be halved and just 24 will be found in a gorilla sperm cell.
APPEARS IN
संबंधित प्रश्न
The term “chromosomes” literally means ______.
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.
Choose the correct answer:
Chromosomes appear at equator in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
How does colchicine act as mitotic poison? Is there any advantage of it?
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Differentiate between
Chromatin and Chromosome.
Differentiate between
Cytokinesis in plant and animal cell
Draw a duplicate chromosome and label its part.
Name the following:
Microtubules form the bipolar spindle in which stage.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Give Technical Terms
The stage at which the formation of chiasmata occurs.
Multiple Choice Question:
After mitotic cell division, a female human cell will have
In humans, the sex chromosome complement is
The thin thread-like structures found in the nucleus of each cell are called ______.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
Distinguish between the following pair:
Karyotype and Karyokinesis
