## Unit: Heredity

### fertilization haploid diploid gamete zygote homologous
https://cdn.kastatic.org/ka-youtube-converted/dNp7vErqlaA.mp4/dNp7vErqlaA.mp4

### chromosomal crossover in meiosis i
https://cdn.kastatic.org/ka-youtube-converted/04gQ0bQu6xk.mp4/04gQ0bQu6xk.mp4

### phases of meiosis i
https://cdn.kastatic.org/ka-youtube-converted/XGWL9jfPHJ8.mp4/XGWL9jfPHJ8.mp4

### phases of meiosis ii
https://cdn.kastatic.org/ka-youtube-converted/mMCcBsSAlF4.mp4/mMCcBsSAlF4.mp4

### comparing mitosis and meiosis
https://cdn.kastatic.org/ka-youtube-converted/IQJ4DBkCnco.mp4/IQJ4DBkCnco.mp4

### introduction to heredity
https://cdn.kastatic.org/ka-youtube-converted/eEUvRrhmcxM.mp4/eEUvRrhmcxM.mp4

### fertilization haploid diploid gamete zygote homologous
https://cdn.kastatic.org/ka-youtube-converted/dNp7vErqlaA.mp4/dNp7vErqlaA.mp4

### alleles and genes
https://cdn.kastatic.org/ka-youtube-converted/P0nMnPPdW_k.mp4/P0nMnPPdW_k.mp4

### punnett square fun
https://cdn.kastatic.org/ka-youtube-converted/D5ymMYcLtv0.mp4/D5ymMYcLtv0.mp4

### pedigrees
https://cdn.kastatic.org/ka-youtube-converted/11s5Biyi9q4.mp4/11s5Biyi9q4.mp4
https://cdn.kastatic.org/ka-youtube-converted/11s5Biyi9q4.mp4-low/11s5Biyi9q4-low.mp4
https://cdn.kastatic.org/ka-youtube-converted/11s5Biyi9q4.mp4-low-ios/11s5Biyi9q4-low-ios.mp4

### thomas hunt morgan and fruit flies
https://cdn.kastatic.org/ka-youtube-converted/huDDaj0PjLU.mp4/huDDaj0PjLU.mp4
https://cdn.kastatic.org/ka-youtube-converted/huDDaj0PjLU.mp4-low/huDDaj0PjLU-low.mp4

### pedigree for determining probability of exhibiting sex linked recessive trait
https://cdn.kastatic.org/ka-youtube-converted/DzP7XO0Qg_Y.mp4/DzP7XO0Qg_Y.mp4
https://cdn.kastatic.org/ka-youtube-converted/DzP7XO0Qg_Y.mp4-low/DzP7XO0Qg_Y-low.mp4
https://cdn.kastatic.org/ka-youtube-converted/DzP7XO0Qg_Y.mp4-low-ios/DzP7XO0Qg_Y-low-ios.mp4

### extranuclear inheritance 1
https://cdn.kastatic.org/ka-youtube-converted/yyM0yIOJ2yE.mp4/yyM0yIOJ2yE.mp4
https://cdn.kastatic.org/ka-youtube-converted/yyM0yIOJ2yE.mp4-low/yyM0yIOJ2yE-low.mp4
https://cdn.kastatic.org/ka-youtube-converted/yyM0yIOJ2yE.mp4-low-ios/yyM0yIOJ2yE-low-ios.mp4

### phenotype plasticity
https://cdn.kastatic.org/ka-youtube-converted/Mh3QXbVU6Eo.mp4/Mh3QXbVU6Eo.mp4
https://cdn.kastatic.org/ka-youtube-converted/Mh3QXbVU6Eo.mp4-low/Mh3QXbVU6Eo-low.mp4
https://cdn.kastatic.org/ka-youtube-converted/Mh3QXbVU6Eo.mp4-low-ios/Mh3QXbVU6Eo-low-ios.mp4

### gene environment interaction
https://cdn.kastatic.org/ka-youtube-converted/sMyZO9YDlk8.mp4/sMyZO9YDlk8.mp4

### boveri sutton chromosome theory
https://cdn.kastatic.org/ka-youtube-converted/rV6O3rGulaY.mp4/rV6O3rGulaY.mp4
https://cdn.kastatic.org/ka-youtube-converted/rV6O3rGulaY.mp4-low/rV6O3rGulaY-low.mp4

### variation in a species
https://cdn.kastatic.org/ka-youtube-converted/DuArVnT1i-E.mp4/DuArVnT1i-E.mp4
