What is the probability that two people who carry the recessive allele will have a child that suffers from sickle cell anemia? le 100% O 75% O 50% O 25%​

Why there must be community participation in primary health care

Caleb has poor eyesight from cataracts. which drug is caleb most likely abusing

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny. i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)