A man who has a blood group AO marries a woman with blood group O. After child birth, it was found that she gave birth to a boy with blood group AB. what is the prove or disprove that the baby belongs to the man

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

9. the history of life on earth is recorded in

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.