Question

Question 9 1 pts Changes in ploidy in plants are typically tolerated and have minor effects on survival or fertility, and it can often lead to rapid speciation. How are these changes preserved in the next generation? The ability to self-fertilize enables the plant to reproduce with itself, preserving the new ploidy levels. O The changes can only be preserved in the next generation in plants that are capable of asexual reproduction. O The changes are preserved via cross-pollination with other members of the population. O The changes are only preserved if the exact same change occurs in multiple plants in more than one population.

Answer 1

First choice can be possible .Ploidy means change in chromosome number.Chromosome number determine exact species of an organism.For example human have 23 pairs of chromosomes while dog have 39 pairs of chromosomes. so inorder to have new species of plants in given condition, plants must undergo self fertilisation or asexual method of reproduction like vegetative propagation. So the chromosomes number remain same and exact copy of new species are produced. . Second option is wrong because it states that it is the only method by which characters can be preserved. self pollination also a method. Third and fourth option is wrong because cross pollination can lead to variations and characters cannot be preserved