A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scientifically concluded about their offspring? A. They will have a large amount of genetic variation. B. They will have twice the number of chromosomes as their parents. C. They will be genetically distinct from their parents. D. They will be able to reproduce only asexually.
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Why are the offspring of flowering plants genetically different from the parent plants? A. Sexual reproduction produces offspring with new combinations of genes. B. Sexual reproduction produces offspring with half the number of genes. C. Asexual reproduction produces offspring with twice as many genes. D. Asexual reproduction produces offspring with a variety of genes.
Madhur L.
As a result of fertilization in flowering plants, _________. A. pollen is picked up at the stigma by an animal for transfer to an anther; B. a single sperm is released by a pollen grain; C. a seed begins to absorb water and break free of its coat; D. a triploid tissue called endosperm is formed; E. a carpel is produced that later becomes a seed.
Sexual reproduction in angiosperms $a$. is by way of apomixis. $b$. requires the presence of petals. $c .$ can be accomplished by grafting. d. gives rise to genetically diverse offspring. $e .$ cannot result from self-pollination.
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