Identical twins or triplets come from ……..egg/s and has/have been fertilized by……sperm/s.
a) single-two
b) single-many
c) two-two
d) single- one
The organisms developed with two heads and one trunk is called……..
a) identical twins
b) fraternal twins
c) dizygotic twins
d) siames twins
What
is/are the reason/s for splitting the fertilized egg into two or more embryos
during the first stage of development?
a) high body temperature
b) bacterial infection
c) unknown reason
d) both a and b
Fraternal multiples come from …….. fertilized egg/s by…….sperm/s.
a) multiple-single
b) multiple-two
c) multiple-multiple
d) single-single
Some identical multiples share the same
a) placenta
b) amniotic sac
c) both a and b
d) none of them
Identical twins or multiples usually grow in……..amniotic sac.
a) same
b) separate
c) both a and b
d) none of them
Explanation: in rare cases identical multiples share same amniotic sac
