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Cri-du-chat syndrome in humans is caused by the

A. Trisomy of 21st chromosome

B. Fertilization of an xx egg by a normal y-bearing sperm

C. Loss of half of the short arm of chromosome 5

D. Loss of half of the long arm of chromosome 5

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  1. Cryptorchidism is ...
  2. Which one is not the function of human placenta
  3. The embryonic stage that resembles a mulberry fruit is
  4. Part of sperm that passes into ovum is
  5. An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
  6. Pregnancy is ascertained by
  7. Menstrual phase is followed by .
  8. What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
  9. Pregnancy can be detected as early as on
  10. Secretion of testosterone is stimulated by
  11. Failure of the brain to grow in the foetus may result in:
  12. Human female reaches menopause at the age of about ...
  13. Haemophilic man marries a normal woman. Their off springs will be
  14. Number of chromosomes in secondary oocyte stage in humans is ...
  15. The hormone responsible for enlargement of mammary glands at puberty is
  16. In infertility treatment the ovum is fertilized outside the body and injected into the uterus
  17. Which part of the foetus is developed from mesoderm?
  18. The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
  19. What happens during fertilization when many sperms reach close to ovum ....
  20. Correct sequence of hormone secretion from beginning of menstruation is ...
  21. Which one of the following is produced early in the life of a human female?
  22. In ectopic pregnancy, foetus grows in ...
  23. Approximately how long does it take for a spermatocyte to complete its differentiation into a spermatozoan…
  24. The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
  25. Highly sophisticated procedure of injecting sperm directly into the ovum is
  26. HCG, HPL and relaxin are produced in women ...
  27. Tunica albuginea is related to
  28. Which layer of embryo is formed first
  29. Part of fallopian tube closest to ovary is
  30. Amniotic fluid protects the foetus from ...