WAEC Past Questions and Answers - Page 3412

17,056.

In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used.

Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river?

A.

P

B.

Q

C.

R

D.

S

Correct answer is C

No explanation has been provided for this answer.

17,057.

Which of the following statements about sex-linked characters is not true?

A.

They are usually borne on the X = chromosome

B.

They are more common in males

C.

Males are usually carriers

D.

They are not usually carried on the Y chromosomes

Correct answer is C

No explanation has been provided for this answer.

17,058.

According to Mendel's first law of inheritance, segregation of genes occur when

A.

tall plants are crossbred

B.

short plants are crossbred

C.

tall plants and short plants are crossbred

D.

plants are crossbred

Correct answer is C

No explanation has been provided for this answer.

17,059.

Use the diagram above to answer this question.
 

What are the genotypes of the parents if the gene for skin colour is H?

A.

Spotted Leopard HH Black Panther hh

B.

Spotted Leopard HH Black Panther Hh

C.

Spotted Leopard Hh Black Panther Hh

D.

Spotted Leopard Hh Black Panther hh

Correct answer is A

No explanation has been provided for this answer.

17,060.

Use the diagram above to answer this question.

What of the following statements about the cross is correct?

A.

The gene for the spotted coat is recessive to the gen for the black coat

B.

Black coat and spotted coat are co-dominant

C.

The gene for the spotted coat is dominant over the gene for the black coat

D.

the genotype for the F1 are homozygous dominant

Correct answer is C

No explanation has been provided for this answer.