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The sexual cycle of flowering plants involves alternation of sporophyte and gametophyte generations.
The Punnett square demonstrates how the F2 ratio arises from an F1 x F1 cross.
Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ...
The monohybrid cross between tall and dwarf pea plants
Berger and colleagues (2010) explored how newly-walking toddlers crossed different bridges.
Alpine tundra. Low-growing, hardy plants at a high altitude in Washington’s Cascade range.