Crossing lines cut by two parallel lines Animation Play

Crossing of homozygotes Whiteboard exercise Play

Detection of linked genes Slideshow Play

Hybridization – a reservoir of variation Slideshow Play

Mendel's first law – the law of segregation Student activity Play

Proportions in crossing lines cut by two parallel lines Student activity Play

Proportions in crossing lines cut by two parallel lines Whiteboard exercise Play

The formation of species – Darwin's finches Student activity Play

The test cross and its application in research on linked genes Student activity Play