In a human foetus the limbs and digits develop by the end of
In a human foetus the limbs and digits develop by the end of
- A
$8$ weeks
- B
Fifth month
- C
First trimester
- D
$12$ weeks
Similar Questions
The disadvantage of parthenogenesis is
The disadvantage of parthenogenesis is
Match the columns.
Column $I$
Column $II$
$(a)$ Multiplier phase
$(1)$ Undeveloped primary oocyte
$(b)$ Growth phase
$(2)$ Primary oocyte filled with developed cytoplasm
$(c)$ Maturation 1
$(3)$ Secondary oocyte
$(d)$Maturation 2
$(4)$ Germinal epithelial cells
Match the columns.
| Column $I$ | Column $II$ |
| $(a)$ Multiplier phase | $(1)$ Undeveloped primary oocyte |
| $(b)$ Growth phase | $(2)$ Primary oocyte filled with developed cytoplasm |
| $(c)$ Maturation 1 | $(3)$ Secondary oocyte |
| $(d)$Maturation 2 | $(4)$ Germinal epithelial cells |
Notochord, skeletal system and dermis of the skin are the derivatives of
Notochord, skeletal system and dermis of the skin are the derivatives of
How does zona pellucida of ovum help in preventing polyspermy ?
How does zona pellucida of ovum help in preventing polyspermy ?
Egg which contains very little amount of yolk are called as
Egg which contains very little amount of yolk are called as