Revolución Genetica
1
Genetics: what is it?
• What is genetics?
– “Genetics is the study of heredity, the process in which a parent passes certain genes onto their children.” (http://www.nlm.nih.gov/medlineplus/ency/article/002048. htm)
• What does that mean?
– Children inherit their biological parents’ genes that express specific traits, such as some physical characteristics, natural talents, and genetic disorders.
2
Word Match Activity
Match the genetic terms to their corresponding parts of the illustration. base pair cell chromosome DNA (Deoxyribonucleic Acid) • double helix* • genes • nucleus • • • •
Illustration Source: Talking Glossary of Genetic Terms http://www.genome.gov/ glossary.cfm?key=chromosome
3
Word Match Activity
base pair cell chromosome DNA (Deoxyribonucleic Acid) • double helix* • genes • nucleus • • • •
Illustration Source: Talking Glossary of Genetic Terms http://www.genome.gov/ glossary.cfm?key=chromosome
4
Genetic Concepts
• H describes how some traits are passed from parents to their children. •The traits are expressed by g , which are small sections of DNA that are coded for specific traits. • Genes are found on ch . • Humans have two sets of (hint: a number) chromosomes—one set from each parent.
5
Genetic Concepts
• Heredity describes how some traits are passed from parents to their children. • The traits are expressed by genes, which are small sections of DNA that are coded for specific traits. • Genes are found on chromosomes. • Humans have two sets of 23 chromosomes— one set from each parent.
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Genetic Terms
Use library resources to define the following words and write their definitions using your own words. – allele: – genes: – dominant : – recessive: – homozygous: – heterozygous: – genotype: –...
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