Biology, 29.01.2020 04:43, jaystarr603
Apurple-flowered pea plant is crossed with a white-flowered pea plant. all the f1 plants produced purple flowers. when the f1 plants are allowed to self-pollinate, 401 of the f2s have purple flowers and 131 have white flowers. what are the genotypes of the parental and f1 generation plants?
Answers: 1
Biology, 23.06.2019 00:00, nsbegay2007
The effect of a hormone on a target cell may be decreased by the presence of
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Biology, 23.06.2019 00:10, LoneWolves
1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low
Answers: 2
Apurple-flowered pea plant is crossed with a white-flowered pea plant. all the f1 plants produced pu...
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