Advertisements
Advertisements
Question
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
Options
2 : 1
3 : 1
1 : 2
1 : 3
Advertisements
Solution
2 : 1
Explanation:
The number of chromosomes in human sperm is half the number of chromosomes in a zygote, i.e., their ratio is 2 : 1.
RELATED QUESTIONS
Explain the process of development in human beings.
Describe the function of placenta.
State the changes that take place in the uterus when Implantation of embryo has occurred
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
Name the organs which produce ova (or egg cells) in human females.
What is meant by implantation?
One of the following is not a part of the human male reproductive system. This is:
Given below is a diagram of two systems together in the human body.
 |
- Name the systems.
- Name the parts numbered 1-10.
- Describe the functions of the parts 3, 4, 5 & 6.
- What will happen if the part 3 on both sides gets blocked?
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Write the difference between C and H.
