Home/Tag: genetics
28 05, 2017

DNA Project – Science Activities – Biology

By |2019-05-14T06:01:46-07:00May 28th, 2017|Biology|0 Comments

Building a model of DNA: a DNA project DNA active learning project To see how DNA unzips and zips up again, get a bunch of kids together, and two pieces of rope like long jump ropes. Start with five of the kids holding on to one jump rope - two with red shirts [...]

28 05, 2017

What is DNA? Genetics and Evolution – Biology

By |2019-05-13T19:58:16-07:00May 28th, 2017|Biology|2 Comments

A strand of DNA (seen through an electron microscope) Let's start with RNA If the RNA theory of the origin of life is right, then after a short time, about four billion years ago, the oceans on Earth had a lot of these strands of RNA molecules floating around in them. RNA molecules made proteins, [...]