Give the correct biological term for each of the following descriptions. Write only the term next to the question numbers (1.2.1 to 1.2.9) in the ANSWER BOOK.

here are the answers to your questions:

1.2 Give the correct biological term for each of the following descriptions.

1.2.1 The division of the nucleus during meiosis

• Meiosis (or Karyokinesis)

1.2.2 The structure that connects the two chromatids of a chromosome

• Centromere

1.2.3 The type of variation where characteristics fall into distinct categories

• Discontinuous variation

1.2.4 The present-day distribution of species on different continents that serves as evidence for evolution

• Biogeography

1.2.5 The bond that connects the two strands of DNA

• Hydrogen bond

1.2.6 The area where the chromatids overlap during crossing over

• Chiasma

1.2.7 The type of inheritance where neither of the alleles is dominant and the heterozygous offspring have an intermediate phenotype

• Incomplete dominance

1.2.8 The natural shape of a DNA molecule

• Double helix

1.2.9 The position of a gene on a chromosome

• Locus

1.3 Indicate whether each of the descriptions in COLUMN I apply to A ONLY, B ONLY, BOTH A AND B or NONE of the items in COLUMN II.

1.3.1 A feature that causes African apes to be prognathous

• A ONLY (Larger jaw)

1.3.2 A characteristic that humans share with African apes

• A ONLY (Eyes in front)

1.3.3 A source of genetic variation in a population

• BOTH A AND B (Random fertilisation and Random mating)