Me with this genetics problem, i will reward 91 points. : about 70% of canadians get a bitter taste from the chemical phenyl thiocarbamide (ptc), while the other 30% do not. the ability to taste this chemical (t) is a dominant characteristic, while taste-blindness to it is recessive (t). tongue-rolling ability is dominant (r), while the inability to roll the tongue is recessive (r). a tongue-rolling woman who is taste-blind for ptc has a father who could not roll his tongue but could taste the ptc chemical. she marries a man who can taste ptc but cannot roll his tongue. his mother was taste-blind to the chemical. show the possible children this couple could produce. use a punnett square to illustrate your answer.

Which system revise and send electrical signals throughout the body

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Which is an example of a population?