Spermatogenesis is promoted by:
Identify the wrong statement from the following:
The membranous cover of the ovum at ovulation is:
A human female reaches menopause around the age of:
Which among the following has 23 chromosomes?
1. Zygote is also diploid and fertilized ovum formed by fusion of male and female gametes.
2. Spermatogonia are the cells on the inside wall of seminiferous tubules and consist of 46 chromosomes.
3. Secondary oocyte has 23 chromosomes and is formed by meiosis-I of primary oocyte.
4. Oogonia are also diploid and are formed in the fetal ovary.