Biology Past Questions and Answers

The illustration above represents a cross between a colour blind male and normal female.
Study it carefully and answer the questions.
What is the genotype ratio of carrier females to normal males in the cross?

The illustration above represents a cross between a colour blind male and normal female.
Study it carefully and answer the questions.
Which of the genotypes are carriers of colour blindness?

The type of placentation illustrated in the diagram above is

Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.
The term that can be used to describe what happened to Plant A after seven hours is

Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.
The environmental factors responsible for the condition in plant B are