Biology WAEC

In humans, sex is determined by?

A. two homologous chromosomes B. a dominant gene for maleness present in a male C. two similar sex chromosomes in…

4 years ago

The name given to a sudden change in a gene or chromosome that can be passed on to the offspring is?

A. inheritance B. linkage C. alleles D. mutation Correct Answer: Option D D. mutation

4 years ago

Which of the following is not a morphological variation in human beings?

A. Size B. Blood groups C. Colour D. Fingerprints. Correct Answer: Option B B. Blood groups

4 years ago

Which of the following statements about blood groups in human is not correct?

A. Siblings may not belong to the same blood group B. There are four possible blood groups C. People with…

4 years ago

Which of the following is a continuous variation, in human population?

A. Sex B. Rh factor C. Height D. Down`s syndrome Correct Answer: Option C C. Height

4 years ago

Some species of animals and plants are considered as endangered, because?

A. they are found in large numbers in most habitats B. they are harmful to theta natural habitats C. their…

4 years ago

Which of these statements is true about fingerprint patterns?

A. Consistent for a lifetime B. May be exactly the same for two individuals C. Prominent only at puberty D.…

4 years ago

Wildlife conservation is enhanced by?

A. enacting laws to encourage poaching B. discouraging elimination of endangered species C. encouraging creation of satellite hunting unit D.…

4 years ago