Biology, 12.03.2020 07:06 asenath6477
In guinea pigs, white coat (w) is recessive to black coat (W), and wavy hair (v) is recessive to straight hair (V). A breeder crosses a guinea pig that is homozygous for white coat and wavy hair with a guinea pig that is homozygous for black straight hair. The F1 are then crossed with guinea pigs having white coats and wavy hair in a series of testcrosses. The following progeny are produced from these testcrosses:black, straight 30black, wavy 11white, straight 12white, wavy 31total 84a. Are the genes that determine coat color and hair type assorting independently?b. If the genes are not assorting independently, what is the recombination frequency between them?
Answers: 1
Biology, 21.06.2019 23:30
The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
Answers: 2
Biology, 22.06.2019 00:00
Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.
Answers: 1
Biology, 22.06.2019 17:10
Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system
Answers: 1
In guinea pigs, white coat (w) is recessive to black coat (W), and wavy hair (v) is recessive to str...
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