What is the difference between a primary oocyte and a secondary oocyte ?
What is the difference between a primary oocyte and a secondary oocyte ?
In pregnancy, mother egg cell is in prophase - $1$ in ovary primary oocyte is formed. In maturation, haploid primary oocyte transforms into haploid secondary oocyte by completing meiosis and meiosis completes and female gametes (ovum) is produced.
Similar Questions
Match the columns.
Column $I$
Column $II$
$(a)$
Mens pubis
$(1)$
Embryo development
$(b)$
Antrum
$(2)$
Sperm cell
$(c)$
Trophoblast layer
$(3)$
External genitals offemale
$(d)$
Mitochondria
$(4)$
Graafian follicle
Match the columns.
| Column $I$ | Column $II$ | ||
| $(a)$ | Mens pubis | $(1)$ | Embryo development |
| $(b)$ | Antrum | $(2)$ | Sperm cell |
| $(c)$ | Trophoblast layer | $(3)$ | External genitals offemale |
| $(d)$ | Mitochondria | $(4)$ | Graafian follicle |
In testis, the immature germ cells produce sperm by $...A...$ at puberty $...B...$ present on the inside wall of seminiferous tubules multiply by$ ...C..$. division and increase their number. Identify $A$,$B$ and $C$ from the above statement
In testis, the immature germ cells produce sperm by $...A...$ at puberty $...B...$ present on the inside wall of seminiferous tubules multiply by$ ...C..$. division and increase their number. Identify $A$,$B$ and $C$ from the above statement
Draw a labeled diagram of sperm.
Draw a labeled diagram of sperm.
In Spermiogenesis.........
In Spermiogenesis.........
Ovum is
Ovum is