The behaviour of the reproductive cells (wherein according to one theory the determinants of heredity are thought to be contained), together with the division of the nucleus in ordinary cell division, and the formation of reproductive cells, are illustrated by animated diagrams. Fertilization is explained by both animation and direct photography, and examples of the basic Mendelian principles of segregation and recombination are shown in rabbits, guinea pigs, and cattle. The white angora rabbit and the single-combed fowl are used as examples of the emergence of new types from the crossing of parents exhibiting independent pairs of Mendelian characteristics. The results of selective breeding of horses and dogs are also shown.
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How to watch
Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
307421
Language
English
Subject categories
Animals & Wildlife → Fertilization (Biology)
Documentary → Documentary films - Great Britain
Education, Instruction, Teaching & Schools → Biology - Study and teaching
Educational & Instructional → Educational films
Food, Health, Lifestyle, Medicine, Psychology & Safety → Heredity
Food, Health, Lifestyle, Medicine, Psychology & Safety → Reproduction
Mathematics, Science & Technology → Biology - Study and teaching
Mathematics, Science & Technology → Cell division
Mathematics, Science & Technology → Fertilization (Biology)
Mathematics, Science & Technology → Heredity
Sound/audio
Sound
Colour
Black and White
Holdings
16mm film; Access Print (Section 1)