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प्रश्न
Implantation of embryo occurs in ______.
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उत्तर
Implantation of embryo occurs in uterus.
Explanation:
After fertilization, the zygote divides repeatedly to form an embryo. The embryo then reaches the uterus and attaches itself to its thick, vascular inner lining (endometrium). This attachment of the embryo to the uterine wall is called implantation.
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संबंधित प्रश्न
Explain the development of a secondary oocyte (ovum) in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.
Define spermiogenesis.
______ type of reproduction occurs without fusion of gametes.
In meiosis, the number of chromosomes becomes ___________.
Sex organs produce gametes which are diploid.
Draw a labeled sketch of a spermatozoan.
The secondary oocyte enter into the fallopian tube through the ______.
The part labelled as ______ contains the energy source that facilitates sperm motility.
After ovulation, Graafian follicle regresses into ______.
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
The number of chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n = 50 shall be:
During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?
Which type of cell division forms spermatids from the secondary spermatocytes?
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Answer the following:
How many primary spermatocytes and oocytes are required for the formation of 100 spermatozoa and ova?
Explain Oogenesis with diagram.
Distinguish between human sperm and ovum.
During oogenesis the meiotic division is arrested at ______ before fertilization.
