Do Now: Who was Darwin? Why was he important? A theory of biological evolution developed by Charles...
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Transcript of Do Now: Who was Darwin? Why was he important? A theory of biological evolution developed by Charles...
![Page 1: Do Now: Who was Darwin? Why was he important? A theory of biological evolution developed by Charles Darwin and others, stating that all species of organisms.](https://reader033.fdocuments.net/reader033/viewer/2022051820/56649e8b5503460f94b907e2/html5/thumbnails/1.jpg)
Do Now:• Who was Darwin? Why was he
important?• A theory of biological evolution developed
by Charles Darwin and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce. Also called Darwinian theory.
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Europa, Europa• Hitler’s Nuremburg Race Laws
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Homework – Part I• Read & take notes on the following pages 308 –
312 for Thursday. Complete the 10% Summary worksheet. Worth a quiz grade
• Genetics Alleles• Fertilization Principle of Dominance• Trait Segregation• Hybrids Gametes• Genes
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Homework Part II - Project
• Find your project assignment. And look up the condition and summarize the topic in 50 to 100 words.
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Do Now part II
• Write down either / or five things that are important about genetics or what you know about genetics. You must have at least five. Please complete in the next five minutes.
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New Material• Is the next slide real or photo-shopped?
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New Material• The last slide was real!
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New Material• Occurs rarely throughout the world, but if
in an area where the population is small or families are too closely related to one another (the British Royal Family). It is know as “genetic drift.”
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Gregor Mendel – Father of modern genetics
Mendel choose Pea cells due to their simple design
ExploredFertilization -Hybrids Pollination Gametes
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Heredity:
The sum of the characteristics and potentialities genetically derived from one's ancestors
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What is genetics?
The study of heredity This came from Darwin’s study
of evolution. For example: Breast Cancer is
passed through families. .
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Traits
The specific characteristic of an organism such as height, or color
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Traits
Alleles - gene types (short, tall, brown or blue eyes,...)
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Law of Segregation
Each parent passes along one trait (allele) to the off-spring
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Phenotype
How it looks, can be very different from what it does or is made up
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GenotypeGene make up, for example
A person can be tall because both parents are tall, or one parent being tall or in some cases even if both parents are short.
Why?
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GenotypeHomozygous – means both of the same.Same type of alleles (Tall – Tall
or Short-Short) Heterozygous – 2 different alleles (Tall –
Small)
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Different types of Genotypes
Homozygous –
Same type of alleles
(Tall – Tall)
Heterozygous –
2 different alleles (Tall – Small)
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Revisit the five facts
• Write down five facts about genetics you learned today! You must have at least five. Please complete in the next five minutes.