The palisade cells of a species of plant contain 28 chromosomes. How many chromosomes will there be in each gamete produced by the plant?

A plant with two 'small' genes breeds with a plant with two 'tall' genes to produce:

A pregnant woman has an equal chance of her baby being blood group A or blood group AB. Which one of the following shows the possible genotypes of the woman and the father of her child?

Which of the following may be used to obtain an F₂ generation?

The following results were obtained by a scientist who crossed the F₁ generation of pure-breeding parents for round and wrinkled seeds.

Dominant trait -Round seeds

Recessive trait -Wrinkled seeds

No. of F₂ offspring -7524

From these results, it can be concluded that the actual number of round seeds he obtained was: