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When is the sex of an offspring decided

A. At ovulation

B. During meiosis

C. During cleavage

D. At fertilization

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  1. The best method to determine whether an individual is homozygous or heterozygous is
  2. The nuclear membrane completely disappears during
  3. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  4. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  5. Albinism in com plants is best described as
  6. Klinefelter's syndrome is developed when the chromosome in male is
  7. In humans, an example of sex-linked trait is
  8. Mutations which are not dominant are not lost by a gene pooL This is known as
  9. Linked genes may be separated by the process of
  10. The term 'meiosis' was coined bv
  11. The chromosomal theroy of heredity implies that
  12.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  13. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  14. Linkage is
  15. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  16. Diakinesis is characterised by
  17. Transfer of a gene or genes through a virus is called
  18. Base substitutions from base analogues I are called
  19. Which disease results from the genetic inability to synthesize a single enzyme ?
  20. The science dealing with study of inheritance and variation is
  21. The condition in which only one allele of a pair is present is known as
  22. The genetic constitution of an organism is known as
  23. Chromosomes exhibit minimum coiling during
  24. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  25. Dyad is
  26. A codon is a sequence of 3 nucleolides on
  27. When two genes are situated very close to each other in a chromosome
  28. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  29. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  30. Colour blindness is caused due to