Cell Cycle

Question 1

Explain why homologous chromosomes carry the same genes but are not genetically identical.

Answer 1

Homologous chromosomes carry different alleles.

Question 2

Other than independent segregation, give one way in which meiosis allows the production of genetically different cells.

Answer 2

Recombination due to crossing over

Question 3

Explain the role of the centromere in mitosis

Answer 3

Holds chromatids together
Attaches chromatids to spindle
Allows chromatids to be separated/ move to opposite poles.

Question 4

Mitosis is important in the life of an organism. Give 2 reasons why.

Answer 4

Growth/ increase in cell number
Replace cells/ repair tissue/organs/body
Genetically identical cells
Asexual reproduction