Answer:
When you change the order of the base pairs in an organism, that is called a mutation. There are three types of mutations: a deletion, an addition, and a substitution. In a deletion, one of the three bases in a codon is pulled out, or deleted.
Explanation:
X is the dominant allele / curly hair , females have two X chromosomes and males have an X and Y
Troposphere should be the answer
Explanation: some cells are specialized to do certain stuff. Like the breaking down of glucose wouldn't happen in the cells found in your leg.
