Continuity of Species (HSC SSCE Biology): Flashcards
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10 cards from this deck
Continuity of species
Continuity of species
Species survival by passing traits parent to offspring
Genetic continuity
Genetic continuity
Preservation of genetic info across generations
Genetic stability
Genetic stability
Passing on accurate genetic information
Offspring in asexual reproduction
Offspring in asexual reproduction
Identical characteristics from single parent
Offspring in sexual reproduction
Offspring in sexual reproduction
Mixture of characteristics from two parents
Natural selection's role in continuity
Natural selection's role in continuity
Fittest survive to reproduce & pass on genes
Two sources of genetic variation
Two sources of genetic variation
Mutation & sexual reproduction
DNA repair enzymes function
DNA repair enzymes function
Correct spontaneous DNA changes
Xeroderma pigmentosum (XP)
Xeroderma pigmentosum (XP)
Cannot repair DNA; vulnerable to UV & skin cancer
Two reasons accurate DNA replication matters
Two reasons accurate DNA replication matters
Heredity (mitosis/meiosis) & gene expression