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प्रश्न
Name the Following
Days in the human gestation period.
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उत्तर
280 days
APPEARS IN
संबंधित प्रश्न
State the changes that take place in the uterus when Implantation of embryo has occurred
Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.
Where does a fertilised ovum develop into a baby in the human body?
The male gametes in a flower and in a human are produced respectively in :
(a) stigma and ovary
(b) anther and style
(c) ovary and testes
(d) anther and testes
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
The germ cell A produced by a person X is round in shape and it fuses with another germ cell B having a long tail and produced by a person Y. The fusion of A and B produces a new cell C. The cell C divides repeatedly and grows inside the organ D of person X to form E in which the body features of the unborn baby are not much developed. E grows further to form F in which the various body features of the unborn baby (like hands, legs, head, eyes, and ears, etc.) can be identified. F grows further and ultimately forms a baby. What are A, B, C, D, E and F? Out of the two persons X and Y, which one is male and which one female?
Describe the role of the following in human beings:
(i) Seminal vesicles
(ii) Prostate gland
Label the folowing diagram
Reproductive organs are also considered endocrine glands.
A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is ______.
