Lesson 34 Genes Continued

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Presentation transcript:

Lesson 34 Genes Continued

Activator https://edpuzzle.com/assignments/5a19ac9118fac540d7cd443d/w atch Watch the YouTube video and record your answers in your science notebook

Gene is a stretch of DNA that codes for something What is a gene? Gene is a stretch of DNA that codes for something

Genetics – study of how traits are passed from parent to offspring

Traits Traits are determined by the genes on the chromosomes. A gene is a segment of DNA that determines a trait.

Genes Chromosomes come in homologous pairs, thus genes come in pairs. Homologous pairs – matching genes – one from female parent and one from male parent

Genes Alleles – different genes (possibilities) for the same trait – One pair of Homologous Chromosomes: Gene for eye color (blue eyes) Alleles – different genes (possibilities) for the same trait – ex: blue eyes or brown eyes Homologous pair of chromosomes Gene for eye color (brown eyes)

Brain Break https://www.youtube.com/watch?v=1sspJ3QNtcY