Sciences Co-ordinated 9-1 0973: B14 - Inheritance Topical Past Paper Questions

Maize is grown as a source of food in many countries. (a) Maize is a wind-pollinated plant species. Figure 1.1 shows the reproductive parts of the maize plant. Figure 1.1 (i) Identify the part labelled in Figure 1.1 that produces the male gamete. Circle the correct answer. ear le…

(a) (i) Mitosis is a type of cell division. State two roles of mitosis in the human body. 1 .....2 (ii) Describe what happens to the chromosomes before mitosis occurs. [1] (b) Meiosis is another type of cell division. Place one tick (✓) in each row to show if the process occurs i…

[1] (b) The shape of peas is an inherited characteristic controlled by a single gene. The allele for smooth peas is dominant $ \mathbf{R} $. The allele for wrinkled peas is recessive r. Fig. 7.1 is a photograph of two peas with different shapes. Fig. 7.1 (i) The boxes on the left…