Understanding Genetics and Adaptations Over Time: Key Concepts and Principles

Dec 27, 2025

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This educational overview explores essential concepts in genetics and biological adaptations over time. It covers fundamental topics such as genes, traits, and heredity, detailing how dominant and recessive alleles influence phenotype and genotype. Additionally, the text discusses various reproductive strategies, including asexual (budding and binary fission) and sexual reproduction (involving zygotes). Key processes like natural selection and selective breeding are highlighted, along with the significance of mutations and variations in species. Fossils and geological eras are examined to understand extinction events and evolutionary changes.

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Understanding Genetics and Adaptations Over Time: Key Concepts and Principles

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CRCT REVIEW GENETICS AND ADAPTATIONS OVER TIME SC7L3 AND SC7L5
gene trait chromosome dominant DNA HEREDITY alleles genotype recessive phenotype
Asexual reproduction One parent budding Binary fission egg REPRODUCTION sperm 2 parents Sexual reproduction zygote
Punnett Square purebred Selective Breeding mutation
variations adaptations Extinction Natural Selection
Body fossils Geological era Fossils Trace fossils Mass extinction