In humans, the allele for brown eyes (b) is dominant to the allele for blue eyes (b). what is the probability that two heterozygous brown-eyed parents will have a child with blue eyes?
b b
b ? ?
b ? ?
a.0%
b.25%
c.50%
d.75%

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

Which of these resources is used worldwide to make construction products, pottery, and porcelain

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?