The diagram shows gametes P and Q joining together to form cell R. Cell R then forms gametes S, T, U and V. Which statement about the chromosome numbers in the cells and gametes is correct?
- AThe numbers of chromosomes in P and Q are different.
- BThe numbers of chromosomes in P and S are the same.
- CThe number of chromosomes in S is one quarter of the number of chromosomes in R.
- DThe number of chromosomes in T is half the number of chromosomes in Q.