Cross a Heterozygous Type A with a Heterozygous Type B? What genetic terms best describes the genotypes of the offspring?

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar