What kind of trait is present when many different genes control a single trait such as skin color
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polygenic
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Term1/12
What causes differentiations of cells in complex organisms like humans
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Definition1/12
Switching genes on and off.
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Term1/12
What enzyme unzips the DNA double helix
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Definition1/12
The enzyme Helicase unzips the DNA double helix
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Term1/12
What causes many endangered species that are now found only in zoos to have very little genetic variations
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Low genetic variations cause genetic bottleneck.
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What term literally means comparison of shape or form and involves the comparison of the anatomy and development of organisms
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morphology
morphology
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Term1/12
In fruit flies gray body color is dominant over black body color Suppose that a gray fruit fly heterozygous for the alleles for body color is crossed with one that has a black body What percentage
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Definition1/12
50%
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Term1/12
V-cube 7 or megaminx
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megaminx
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Term1/12
What kind of pea plants did Mendel use
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Smooth yellow pea plants and wrinkly green peas.
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Term1/12
This dihybrid cross shows how two traits pea shape and pea color are passed. Assume that yellow pea color and smooth peas are the dominant forms of the two traits. If sixteen offspring are produced in
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Definition1/12
nine
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Term1/12
Which letter correctly identifies the labeled structure within the animal cell
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b
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Term1/12
Which letter correctly identifies the labeled structure within the plant cell Cell wall
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butt
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Term1/12
Which of these is an example of macroevolution
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Birds are thought to be direct descendents of reptiles
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Cards in this guide (12)
What kind of trait is present when many different genes control a single trait such as skin color
polygenic
What causes differentiations of cells in complex organisms like humans
Switching genes on and off.
What enzyme unzips the DNA double helix
The enzyme Helicase unzips the DNA double helix
What causes many endangered species that are now found only in zoos to have very little genetic variations
Low genetic variations cause genetic bottleneck.
What term literally means comparison of shape or form and involves the comparison of the anatomy and development of organisms
morphology
morphology
In fruit flies gray body color is dominant over black body color Suppose that a gray fruit fly heterozygous for the alleles for body color is crossed with one that has a black body What percentage
50%
V-cube 7 or megaminx
megaminx
What kind of pea plants did Mendel use
Smooth yellow pea plants and wrinkly green peas.
This dihybrid cross shows how two traits pea shape and pea color are passed. Assume that yellow pea color and smooth peas are the dominant forms of the two traits. If sixteen offspring are produced in
nine
Which letter correctly identifies the labeled structure within the animal cell
b
Which letter correctly identifies the labeled structure within the plant cell Cell wall
butt
Which of these is an example of macroevolution
Birds are thought to be direct descendents of reptiles
What idea of Darwin's based on fossils and the modern organisms he found basically says that genetic changes are inherited by later generations
What is the most likely cause of directional selection
The second law of thermodynamics states that in a closed system entropy will increase meaning that complex things should break down into simpler ones Evolutionary theory suggests that living things