alleryFraternal twins usually develop from:
ATwo sperm and one ovum
BOne sperm and two ova
CTwo separately fertilised ova
DOne zygote splitting twice
Answer & Solution
Correct answer: C. Two separately fertilised ova
Dizygotic twins arise from two ova, each fertilised by a separate sperm.
Keep practising Human Reproduction
Browse all Human Reproduction questions for ICSE Class 10, or explore more Biology topics.
Related questions
Where is the cap-like acrosome located on a human sperm?Which transfer illustrates the nutritive function of the placenta?Which pair of twins usually has the greatest genetic similarity?Which condition does amniotic fluid normally allow?Amniotic fluid chiefly protects the foetus from shocks by:Which outer foetal membrane surrounds the amnion?Which inner foetal membrane encloses the fluid-filled cavity around the foetus?Which structure is expelled as part of the afterbirth?