WAEC Biology Past Questions & Answers - Page 42

206.

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.

207.

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.

208.

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.

209.

How many chromosomes will be in a gamete if the normal cell has four chromosomes?

A.

2

B.

4

C.

6

D.

8

Correct answer is A

No explanation has been provided for this answer.