Two individuals formed when two eggs fertilized of the same time results in twins that are genetically different are:
Correct answer: C. Fraternal twins
- A. Identical twins
- B. Siames twins
- C. Fraternal twins
- D. Double twins
Explanation
When a woman's ovary releases two eggs which are fertilized by two different sperms, it results in the formation of fraternal twins. Fraternal twins or triplets or quadruplets come from different eggs which are fertilized by different sperms therefore also called dizygotic or multiple zygotic. Fraternal foetuses come from separate placentas and amniotic sacs. They can have different sexes and different blood types and may look very different from each other
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The human reproductive system includes the male and female organs that produce gametes, secrete sex hormones and support fertilization and development. Questions cover the testes, ovaries, reproductive ducts, menstrual and ovarian cycles, ovulation, fertilization, implantation, placenta formation and the roles of FSH, LH, oestrogen, progesterone and testosterone.
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