Sickle cell anemia is a genetic disease caused by an autosomal
recessive gene. If each parent carries one sickle cell allele, what
are the chances that their child will have sickle cell anemia?
Select one:
•no chance
•one in four
•three in four
•two in four

one in four

Explanation:

The child will be a carrier three out of four, but will have sickle cell one out of four.

Make a punnet square

S s

S. SS. Ss

s. Ss. ss

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

due to the fact that it skipped a generation we can tell it is definitely not a dominant trait, therefore it must be recessive. i think this is right let me know!

explanation: