In 1973, Stanley Cohen and Herbert Boyer inserted a gene from an African clawed frog into a bacterium.  The bacterium then began producing a protein directed by the gene from the frog.   Which is considered a transgenic organism?

A section of one DNA strand has the sequence ACCGAGGTT. What is sequence of the complementary DNA strand?

Secondary sexual characteristics in the male are directly maintained by the hormone

A section of one DNA strand has the sequence ACCGAGGTT. What is sequence of the complementary DNA strand?

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

Jj or Aa is___ and JJ or Aa is ___.

Jj or Aa is___ and JJ or Aa is ___.

Which following statement is true? 

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?