A child's blood group is 'o'. The parent's blood groups cannot be





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  1. Embryonic connective tissue is formed from ..
  2. Most of major organs of human embryo are formed by the
  3. Part of sperm that passes into ovum is
  4. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
  5. Level of estrogen and progesterone are minimum at the time of
  6. Temperature in scrotum necessary for sperm formation is usually ...
  7. The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
  8. Mongolian idiocy due to trisomy in 21st chromosome is known as
  9. In humans female ovulation occurs during menstrual cycle
  10. Haemophilia is more common in males because it is a
  11. Medical termination of pregnancy is safe till how many weeks of pregnancy?
  12. Which part of the ovary act as an endocrine gland in human beings
  13. Pregnancy test is confirmed by the presence of
  14. Albinism is a congenital disorder resulting from the lack of which enzyme?
  15. Sickle cell anaemia induce to
  16. Human embryo is enclosed by a sac called
  17. A child's blood group is 'o'. The parent's blood groups cannot be
  18. Correct sequence of hormone secretion from beginning of menstruation is ...
  19. Failure of the brain to grow in the foetus may result in:
  20. Human female reaches menopause at the age of about ...
  21. Acrosome of sperm contains ...
  22. Highly sophisticated procedure of injecting sperm directly into the ovum is
  23. Pregnancy can be detected as early as on
  24. Normal sperm count is
  25. After ovulation graffian follicles turns into
  26. Correct sequence in embryonic development is ..
  27. Amniotic fluid protects the foetus from ...
  28. The most important region of the decidua for the nourishment of the conceptus is the deciduas
  29. The pre fertilisation process stage of sperm before entry into the ovum is called as
  30. Corona radiata is held by...