Biology, 09.08.2019 22:20 maryam4241
Afarmer raises black and white chickens. to his surprise, when the first generation of eggs hatch all the chickens are black with white speckles throughout their feathers. what should the farmer expect when the eggs laid after interbreeding the speckled chickens hatch?
all the offspring will be speckled.
75% of the offspring will be speckled, and 25% will be black.
50% of the offspring will be speckled, 25% will be black, and 25% will be white.
50% of the offspring will be black and 50% of the offspring will be white.
Answers: 2
Biology, 21.06.2019 21:30
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answers: 1
Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 19:00
What characteristic makes a cell membrane selectively permeable
Answers: 1
Afarmer raises black and white chickens. to his surprise, when the first generation of eggs hatch al...
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