Start Over Main contributor See Other Contributors Collection National Educational Television

21. Heredity. Heredity and the chromosomes (28:58)

Alternative title:
Heredity and the chromosomes; Heredity
Date:
1960
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Summary:
Discusses the work done in genetics since Mendel's time. Describes the theory of location of genes and how the theory of chromosomes was developed and tested. Uses experiments with corn and the fru...

22. Heredity. Many pairs of genes (29:04)

Alternative title:
Many pairs of genes; Heredity
Date:
1960
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Summary:
Explains the role played by genes in inheritance, the possibilities for variation in each member of a generation, and why predictions about offspring can often be inaccurate.

23. Heredity. Reproduction and heredity (29:04)

Alternative title:
Reproduction and heredity; Heredity
Date:
1960
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Summary:
Introduces biogenesis, the idea that life arises only from existing life, and mitosis, the process by which cells divide while preserving inherited traits. The episode discusses early experiments t...

24. Heredity. Sexuality and variation (29:00)

Alternative title:
Sexuality and variation; Heredity
Date:
1960
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Summary:
Discusses sexual reproduction and heredity, including elements necessary for sexual reproduction and the genetic advantages. Uses charts and diagrams to show the variations possible in every human ...

25. Hogarth the Satirist (15:39)

Date:
0000
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Summary:
Presents Hogarth's most remarkable engravings, emphasizing his illustration of the Rake's Progress. (RTF) Film.

26. Impact of Personalitites (29:12)

Date:
1958
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Summary:
Employs dance routines and originally scored music to portray the formation of human personality in three societies. Demonstrates the authoritarian, cooperative, and dwarfed personality types. Poi...

27. India--Writings on the Sand (59:58)

Date:
1965
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Summary:
Explores India's most critical problem and examines proposed solutions. Discusses the agricultural crises and the social customs which interrelate with the population problem. Shows the educational...

30. Japan's revolutions (29:11)

Alternative title:
20th century revolutions in w...
Date:
1959
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Summary:
Presents Japan as a laboratory for studying modern revolutions. This episode traces three major transformations in the nation's history: the industrial revolution, the military-driven totalitarian ...