Which of the following expresses Type A blood type?

This diagram shows a pedigree for a recessive genetic disorder. What is the phenotype of Individual 6?

Hemophilia is a sex-linked, recessive trait. Which of the following describes the probability of hemophilia in the offspring of a man who does not have hemophilia and a woman whose father is a hemophiliac?

Jj or Aa is___ and JJ or Aa is ___.

Which following statement is true? 

Jj or Aa is___ and JJ or Aa is ___.

Which following statement is true? 

There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?

The energy diagram below shows a reaction with and without an enzyme. What do enzymes do?  

Some diseases are caused by the improper functioning of specific cellular organelles. In a patient’s tissue, cell division was impaired and the cells showed abnormal cell shapes, this is probably due to problems with the