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.
Soil erosion could be prevented by
flooding a farmland
cover-cropping
deforestation
leaving the soil bare
Correct answer is B
No explanation has been provided for this answer.