With few exceptions, all 64 codons have the same meaning in all organisms. this means the genetic code is:
a. non-overlapping
b. degenerate
c. ordered
d. non-degenerate
e. universal

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?