HEREDITY AND VARIATIONS - Jamb Biology Past Questions and Answers

Question 76:

• JAMB 2006

Mendel's second law of inheritance states that

A. Alleles combine randomly
B. Alleles segregates independently
C. Alleles seperate predictably
D. Chromosomes segregates independently

Question 77:

• JAMB 2006

In the diagram, the change in the length of the neck of the giraffes shown was brought about by

A. Geographical isolation
B. Predation
C. Symbiosis
D. Natural selection

Question 78:

• JAMB 2006

In the diagram, the variation illustration is

A. Discontinuous
B. Morphological
C. Physiological
D. Biochemical

Question 79:

• JAMB 2007

An accurate identification of a rapist can be carried out by conducting a

A. RNA analysis
B. DNA analysis
C. Blood group text
D. Behavioural traits test

Question 80:

• JAMB 2007

which of the following is true of cloning?

A. It is welcomed as an ethical and morally sound science
B. Only one cell of the original organism is needed to initiate the process
C. The clone is similar to but not exactly like the original organism
D. It involves the asexual multiplication of the tissues of the original organism