How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Use the diagram above to answer this question.
What of the following statements about the cross is correct?
The gene for the spotted coat is recessive to the gen for the black coat
Black coat and spotted coat are co-dominant
The gene for the spotted coat is dominant over the gene for the black coat
the genotype for the F1 are homozygous dominant
Correct answer is C
No explanation has been provided for this answer.
How many chromosomes will be in a gamete if the normal cell has four chromosomes?
2
4
6
8
Correct answer is A
No explanation has been provided for this answer.
A
B
C
AB
O
Correct answer is C
C is not part of the blood groups.
Which of the following traits is not inheritable? Ability to
taste PTC
roll the tongue
move the ear
rool the eyeball
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about human blood groups is not true?
A is dominant over B
O is recessive
B is dominant over O
A and B are co-dominant
Correct answer is A
No explanation has been provided for this answer.