By using universal terms and anatomical position when identifying human body parts, there is very little room for error or confusion as to which part you are referring.
Answer:
due to the rate of blood circulation
Malaria is spread by mosquitoes because females pick up a parasite and when they bite someone to nurture their eggs it spreads
There are 3
exclusive mutually birth orders that could
make two
affecteds and 1 unaffected - unaffected child first born, unaffected child
second born,
and unaffected child third born. Thus, there is a 3/64 + 3/64 + 3/64
= 9/64
chance that 2 out of 3 children will be affected.