An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....

A. Edwards syndrome

B. Klinefelters syndrome

C. Intersex

D. Downs syndrome.

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  1. The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
  2. The male hormone testosterone is secreted by
  3. Level of estrogen and progesterone are minimum at the time of
  4. Failure of the brain to grow in the foetus may result in:
  5. Sertoli cells are found in
  6. The gonadotropic hormones are secreted by
  7. Amniotic fluid protects the foetus from ...
  8. Part of sperm that passes into ovum is
  9. Correct sequence of hormone secretion from beginning of menstruation is ...
  10. Fertilization is fusion of ..
  11. Identical twins are also known as ..
  12. The rate of active movement of sperm is ...
  13. Correct sequence in embryonic development is ..
  14. Human embryo is referred to as fetus from beginning of
  15. Increase in basal body temperature in the middle of menstrual cycle is a sign of
  16. What are the chances of a normal fertile couple having a baby in one year?
  17. Villi of human placenta develop from ..
  18. Gestation period of 280 days is calculated from time of ...
  19. Sickle cell anaemia induce to
  20. What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
  21. The functional unit of testis of man is ...
  22. Haemophilic man marries a normal woman. Their off springs will be
  23. Medical termination of pregnancy is safe till how many weeks of pregnancy?
  24. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
  25. Acrosome of sperm contains ...
  26. Chorionic gonadotropin is secreted by ...
  27. Corpus luteum secretes
  28. Immediately after ovulation, the ovum is covered by a membrane called
  29. Thick layer which surrounds the ovum is ...
  30. Normal sperm count is