Much of what you have been exposed to has centered around research and evidence gathered using mice and rats. Research epigenetic studies in humans, and elaborate on at least one on what you find.

\frac{y}{y} - 5 + \frac{1}{y} + 8

y

y

−5+

y

1

+8

→(1 - 5) + \frac{1}{y} + 8(1−5)+

y

1

+8

→-4 = \frac{ - 4}{1} = \frac{ - 4 \: • \: y}{y}−4=

1

−4

=

y

−4•y

→\frac{ - 4 \: • \: y + 1}{y} = \frac{1 - 4y}{y}

y

−4•y+1

=

y

1−4y

→\frac{(1 - 4y)}{y} + 8

y

(1−4y)

+8

→8 = \frac{8}{1} = \frac{8 \: • \: y}{y}8=

1

8

=

y

8•y

→\frac{(1 - 4y) + 8 \: • \: y}{y} = \frac{4y + 1}{y}

y

(1−4y)+8•y

=

y

4y+1

→\frac{4y + 1}{y}

y

4y+1