Dna evidence that is old or in poor condition can sometimes be salvaged and analyzed by using

pcr amplification
gel electrophoresis
dna from the mitochondria instead of the nucleus
rna

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

How does the study of genetic disorders such as pku biologists understand normal alleles?

The law of states that traits are passed from parents to offspring independently of one another.. true or false