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166
Identical twins inherit their genes from
  • A. the same ovum and different sperms
  • B. the same sperm and different ova
  • C. different sperms and many ova
  • D. the same ovum and the same sperm
  • E. many ova and many sperms
View Answer & Discuss (9) WAEC 1993
167
The offspring produced when pure strains interbreed is described as
  • A. dominance
  • B. phenotype
  • C. allele
  • D. genotype
  • E. hybrid
View Answer & Discuss (5) WAEC 1993
168
Which of the following diseases or disorders can be prevented by the application of the knowledge of
heredity through marriage counselling?
  • A. Sickle cell anaemia
  • B. Haemophilia
  • C. Diabetes mellitus
  • D. Colour blindness
  • E. River blindness
View Answer & Discuss WAEC 1993
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169
Study the genetic cross above showing the inheritance of blood groups from the cross above which of the following F offspring does not
belong to the father?
  • A. AA
  • B. AO
  • C. OB
  • D. OO
  • E. AB
View Answer & Discuss (3) WAEC 1993
170
Which of the following is a function of the chromosome?
  • A. Transmission of hereditary traits
  • B. Protein synthesis
  • C. Excretion
  • D. Energy production
  • E. Manufacture of enzyme
View Answer & Discuss (8) WAEC 1993
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