3 : 1
2 : 1
1 : 3
1 : 2
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about blood groups in human is not correct?
Siblings may not belong to the same blood group
There are four possible blood groups
People with blood group O can receive blood from all other groups
People with blood group AB are universal recipients
Correct answer is C
No explanation has been provided for this answer.
Which of the following is a continuous variation, in human population?
Sex
Rh factor
Height
Down`s syndrome
Correct answer is C
No explanation has been provided for this answer.
Some species of animals and plants are considered as endangered, because
they are found in large numbers in most habitats
they are harmful to the natural habitats
their populations have become so small that they may soon die out
they should be killed or only kept in cages
Correct answer is C
No explanation has been provided for this answer.
Which of these statements is true about fingerprint patterns?
Consistent for a lifetime
May be exactly the same for two individuals
Prominent only at puberty
Correlate with the individual blood group
Correct answer is A
No explanation has been provided for this answer.