A base substitution of G:C to A:T after two rounds of replication.
My teacher always taught me the saying "(A)pples on (T)rees, (C)ars in (G)arrages, meaning that A always went with T and C always goes with G
When that applies here, 30 Red, or Adenine legos would go with 30 Thymine legos, which is the color orange
30 reds would go with 30 oranges in this case
Hydra have the ability not age or die of old page
A- non-native species can have positive and negative affects
