Heredity and Classical Genetics. Dominant and recessive traits. Heterozygous and homozygous genotypes. More free lessons at: http://www.khanacademy.org/video?v=eEUvRrhmcxM

An introduction to what cancer is and how it is the by-product of broken DNA replication. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/cells/cellular-development/v… Missed the previous lesson?

An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/cells/cellular-division/v/ca… Missed the previous lesson?

The phases of Meiosis. More free lessons at: http://www.khanacademy.org/video?v=ijLc52LmFQg About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world.

Explanation of the phases of mitosis. More free lessons at: http://www.khanacademy.org/video?v=LLKX_4DHE3I About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world.

Mitosis, meiosis and sexual reproduction. Understanding gametes, zygotes, and haploid / diploid numbers.

The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication More free lessons at: http://www.khanacademy.org/video?v=s9HPNwXd9fk

How variation can be introduced into a species. More free lessons at: http://www.khanacademy.org/video?v=DuArVnT1i-E

An introduction to DNA More free lessons at: http://www.khanacademy.org/video?v=_-vZ_g7K6P0 About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world.

How the "Owl Butterfly" may have gotten the spot on its wings. More free lessons at: http://www.khanacademy.org/video?v=dR_BFmDMRaI

Clarifying some points on evolution and intelligent design More free lessons at: http://www.khanacademy.org/video?v=nh1R-gyY7es

The argument that evolution speaks to being the most "intelligent design" More free lessons at: http://www.khanacademy.org/video?v=qxOEz9aPZNY

Ape Clarification - that they have no tails More free lessons at: http://www.khanacademy.org/video?v=oFGkYA_diDA

Introduction to evolution, variation in a population and natural selection More free lessons at: http://www.khanacademy.org/video?v=GcjgWov7mTM About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world.

Digestive System of Human Being (Mouth and Buccal Cavity) - Life Process | Class 10 Biology