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.

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it marks things for degradation via the proteasome. it alters there celluar location.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

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bioteacher101