You would need to administer 2.5ml
Answer:
A lone rescuer uses a compression-to-ventilation ratio of 30:2.
Explanation:
The correct answer is A. Heterozygous
Think about the word's prefix and suffix, <em>Hetero-</em> (meaning "different") and <em>-zygous </em>(meaning "type of zygote").
In contrast, Homozygous would mean having two of the same alleles, being the prefix <em>Homo- means "same".</em>