The heart must beat faster during exersise because by increasing the heart rate the body is able to increase cardiac output and deliver the necessary blood flow to the mucles
Answer:
I think this should be the chart you were interested in...
Explanation:
Individual Shape in shaded
phenotype pedigrees
Male with gen. TT PTC taster square No
Male with gen. Tt PTC taster square No
Male with gen. tt Non-taster square Yes
Female with gen. TT PTC taster Circle No
Female with gen. Tt PTC taster Circle No
Female with gen. tt Non-taster Circle Yes
*gen- genotype
B would be your answer hope this helps :)
Answer:
Well you began with 2 DNA replication
Explanation: