Scientists follow a parent cell during gamete formation in a horse. The parent cell contains 32 pairs of chromosomes. The cells produced each contain 32 chromosomes.
Which statement accounts for the chromosome number of the cells produced?
The two chromosomes in every pair join to become one chromosome in each resulting cell.
Only one chromosome in every pair is copied before the parent cell begins to divide.
Each resulting cell receives both chromosomes from some pairs and none from other pairs.
Each resulting cell receives one chromosome from every pair in the parent cell.
92 exam-style questions on Edexcel GCSE Biology 3.1 Reproduction and meiosis, covering 3.1.1 Advantages and disadvantages of reproduction and 3.1.2 Role of meiotic cell division. Each one has a worked solution and a mark scheme showing where the marks go.