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Sickle cell anaemia induce to

A. Change of amino acid in a- chain of haemoglobin

B. Change of amino acid in b- chain of haemoglobin

C. Change of amino acid in both a and b chains of haemoglobin

D. Change of amino acid either a or b chains of haemoglobin

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  1. Mongolian idiocy due to trisomy in 21st chromosome is known as
  2. Approximately how long does it take for a spermatocyte to complete its differentiation into a spermatozoan…
  3. The number of chromosomes present in sperms
  4. During ovulation, for favourable sperm travel oestrogen causes
  5. Villi of human placenta develop from ..
  6. Medical termination of pregnancy is safe till how many weeks of pregnancy?
  7. Increase in basal body temperature in the middle of menstrual cycle is a sign of
  8. The pre fertilisation process stage of sperm before entry into the ovum is called as
  9. Number of chromosomes in secondary oocyte stage in humans is ...
  10. Fertilization of the ovum takes place in
  11. Which of the following is not a hereditary disease?
  12. In infertility treatment the ovum is fertilized outside the body and injected into the uterus
  13. The embryonic stage that resembles a mulberry fruit is
  14. Which cells provide nutrition to the sperms?
  15. Ovulation occurs under the influence of high titre of
  16. Embryonic connective tissue is formed from ..
  17. What are the chances of a normal fertile couple having a baby in one year?
  18. Human embryo is referred to as fetus from beginning of
  19. The most important region of the decidua for the nourishment of the conceptus is the deciduas
  20. Which of the following statements is most correct about the human menstrual cycle.
  21. The first milk which comes out just after child birth is known as .
  22. After fertilization, implantation of human embryo takes place on
  23. What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
  24. Correct sequence of hormone secretion from beginning of menstruation is ...
  25. The surgical method of contraception in males
  26. Layers of ovum from outside to inside are .
  27. Thick layer which surrounds the ovum is ...
  28. Pregnancy test is confirmed by the presence of
  29. The chemical of the ovum that attracts and holds sperm
  30. Sickle cell anaemia induce to