Cards in this guide (12)
What kind of trait is present when many different genes control a single trait such as skin color
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
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
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
Which letter correctly identifies the labeled structure within the animal cell
Which letter correctly identifies the labeled structure within the plant cell Cell wall
Which of these is an example of macroevolution
Birds are thought to be direct descendents of reptiles