U2 CH5 Principles of Inheritance and Variation Flashcards
1
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What is inheritance?
A
Inheritance is the transmission of characters from parents to offspring, generation after generation. It describes the genetic continuity of germinal matter from parents to offspring.
2
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What is genetics?
A
Genetics is the study of heredity, the transmission of characters from parents to offspring, and the causes of variations in closely related organisms.
3
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Who coined the term ‘genetics’ and what is its origin?
A
The term ‘genetics’ was coined by W. Bateson and was derived from the Greek word ‘genesis,’ meaning ‘to grow into.’
4
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When does variation occur and why?
A
Variation occurs during prophase I of meiosis I due to genetic recombination.
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