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.

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen

Which of th following best describes how genes produce traits in an organism?

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.