Which trait, dominant or recessive, will be expressed if an organism has one dominant allele and one recessive allele? A) Only the dominant trait will be expressed.
B) The organism will lack the trait completely.
C) Only the recessive trait will be expressed.
D) Both the dominant and recessive traits will be expressed.

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km