Slides in this set
A GENE = A section of DNA that has the genetic
code for making a particular protein.
These proteins can be:
a) STRUCTURAL muscles/hair etc
b) ENZYMES digestive/proteases etc
3 Base pairs in a DNA molecule are code for an
Base pairs: G=C A=T…read more
A human body has 23 PAIRS of chromosomes.
The sex cells of both males and females carry half of
the information, 23 individual chromosomes.
23 PAIRS 23 PAIRS
· A female carries XX
· A male carries XY
The SRY (sex determining region Y) is
carried on the Y gene. The SRY makes an
XY embryo male, through the production
of male hormones (ANDROGENS).…read more