A gardener has two groups of strawberry plants, labelled X and Y. They are grown to maturity under identical conditions. He makes some observations and concludes that those in group X were produced asexually and those in group Y were grown from seeds. Which observations most closely support his conclusions? 1 Group X plants produced flowers all at the same time. 2 Group X plants produced flowers which varied in shape and size, some of which were produced earlier than others. 3 Group Y plants produced flowers all at the same time. 4 Group Y plants produced flowers which varied in shape and size, some of which were produced earlier than others.