Natural Selection Worksheet

This printable matching worksheet on the topic of Genetics & DNA has 14 questions and answers to match. This matching worksheet is also available to download as a Microsoft Word document or a PDF.

Recombinations of genetic material make an individual more _______.
Source of genetic variation in natural selection?
Source of mutations?
Contains phosphate, sugar and 4 nitrogen bases.
Eye color is an example of a _____.
Humans have 23 pairs of these.
Karyotypes can tell you about a person's_______.
Selects against the less fit indivduals.
The blueprint of life.
Changes in the genetic code.
Chromosomes are made up of_____.
A section of DNA that codes for a trait.
Different forms of the same gene.
A mutation that gives an individual an advantage during an environmental change.