Which is not true of gene expression? 1. It creates different DNA within each of your cells.

2. It determines how a cell functions.

3. It occurs because of chemical signals within your body.

4. It is the process that turns certain genes on or off inside of cells.
ertain

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals