Identical twins are produced under one of the following c...
Identical twins are produced under one of the following conditions
Two oval fertilized at the same time by two sperm
one ovum ferilized divides to give two embryos
one ovum fertilized, twins formed shortly before birth
Two ova fertilized by one sperm
one ovum fertilized by two sperm
Correct answer is B
No explanation has been provided for this answer.
Organisms in an ecosystem are usually grouped according to their trophic level as ...
Puddles, ponds, rivers, lakes, seas, and oceans are grouped together as ...
Which of the following statements best describes courtship behaviors in animals? ...
In which of the labelled structures does implantation take place? ...
Which of the following organs in humans is responsible for the removal of excess water? ...
The number of times an organism occurs within a given area of a habitat is referred to as ...
A food substance which produces red colouration with Sudan III contain ...
Biconcave lenses are used in the correction of an eye defect called? ...