The answer is a. I'm pretty sure
I think the answer to this would be Excretory Process.
Consuming Protein in amounts slightly higher than the RDA may help preserve muscle and bone mass in aging adults.
<h3>What is protein?</h3>
Protein is a complete substances that occur in nature and it consists of many Ami o acids bonded together by peptide bonds. Proteins occur in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.
Sources of protein include milk, meal,beans, eggs and so on.
Protein help to build and repair body muscles.
Learn more about protein below.
brainly.com/question/10058019
Answer:
The chance that the couple's first child will have cysitc fibrosis is equal to 
Explanation:
The probability of man having cystic fibrosis is equal to 
percent
The probability of his wife having cystic fibrosis is equal to 
In case if both have them allele for cystic fibrosis, then the probability of their children having a child with cystic fibrosis
The chance that the couple's first child will have cysitc fibrosis is equal to
