Biology

Biology, 22.06.2019 16:00, shaydog6353

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems

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Biology, 19.07.2019 10:30, albattatasraap5wymy

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Biology, 07.10.2019 05:30, tylersirmon

Ageneticist studying fruit flies hypothesizes that short wings are a recessive trait coded for by a single gene. which observation is most likely to have led her to form this hypothesis? f flies have wing lengths ranging from very long to very short. g flies with long wings are less likely to survive. h flies with long wings can produce offspring with short wings. j flies with short wings prefer to mate with flies with long wings.

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Biology, 14.10.2019 09:00, travisvb

In fruit flies, straight wings are dominant and curly wings are recessive. what will the generations look like? assume that mendel’s method of crossing two true breeding parents with opposite traits is followed. check all that apply. the p generation has all straight wings. the p generation has straight wings and curly wings. the f1 generation has all straight wings. the f1 generation has all curly wings. the f1 generation has straight wings and curly wings. the f2 generation has all straight wings. the f2 generation has straight wings and curly wings.

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