Why does the mother have freckles, even though she has a gene for no freckles?

A mom and dad have 3 daughters. What is the percent chance that their next child will be a boy?

Which of the following cells does not undergo mitosis? Red blood cells, smooth muscle cells, skin cells, white blood cells, none of the cells listed undergoes mitosis

Why do we need to classify organisms?

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? A. A forest with dense vegetation B. A sandy beach beside an ocean C. A snowy tundra with little vegetation D. A swamp with many hawks that eat birds

How do you hold a microscope?

For plants and other organisms to develop differences among their respective species the alleles of their genes must contain variations. What is the original source of these variations?

Describe how deforestation might contribute to global warming.

In Biology, name the term when a whitish liquid excrete out from a man's private part.

We can test the relative permeability of a phospholipid bilayer by using a synthetic membrane that does not contain any protein components. Some uncharged, polar molecules are found to diffuse freely across these membranes to varying degrees.

The burning of fossil fuels contributes to