Fraternal twins are formed when two different sperm fertilize two different eggs. how do you think physical characteristics, such as hair color and facial features, differ in fraternal twins compared to identical twins? how does the way each type of twins develop contribute to these differences?

Identical twins will have the e physical features such as hair color and eye color, because they were formed from the exact same egg and sperm. Fraternal twins are formed from two different eggs and sperm, so those twins will look different from each other.

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why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the answer is option a.