Answer:
The answer is A
By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
A: several different codons can specify the same amino acid.
Answer:
A
Explanation:
messes with the chromosomes
Answer:
allele
Explanation:
a spot on chromosome is an allele
Sorry but I can’t help you right now but later I’ll try
