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1/31 & 2/1 - 7 th Grade Agenda Learning Objective: Hybrid Animals HW: Reading & Note taking p. 105 – 108 Hybrid Animal Video Video: BBC Life Text Book Reading: 205 – 210 HW: Reading & Notetaking p. 109 - 110 Reminder Procedure, Data Table, Graph & Results due 2/9 & 2/10 (15 Points)
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Reflection Prompt: Write 2 things that you will do in the new semester to maintain good grades.
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New Semester Grades reset Pick new Jobs
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Hybrid Animals Horse Donkey Mule All male and most female mules are infertile More intelligent than a donkey More endurance than a horse Requires less food than a horse
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Ligers = Male Lion + Female Tiger
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More Ligers
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Tigon = Male Tiger + Female Lion
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Zorse = Male Zebra + Female Horse
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Wholphin = Dolphin + False Killer Whale Wholphin False Killer Whale Dolphin
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Wolfdog = Wolf + dog
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House Cat + African Cat African Cat
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Tangelo = Tangerine + Grape Fruit
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How many pairs of chromosomes to humans have? 23
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Sex Linked Genes Genes on the X and Y chromosomes are called sex linked genes Most of the genes on the X chromosomes are not on the Y chromosomes Since Males have the Y chromosomes they are missing an allele.
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Red – Green colorblindness More males have red – green color blindness then females Why?
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Red – Green colorblindness
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Genetic Disorders – Cystic Fibrosis Cystic Fibrosis is a disorder in which the body produces abnormally thick mucus in the lun___ and intes_____. The thick mucus fills the lungs making it hard for the affected person to breathe. gs tines
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Genetic Disorders – Sickle Cell Disease Sickle shaped red blood cells clog blood vessels and cannot carry as much ox_____ as normal cells. ygen
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Genetic Disorders – Hemophilia People with Hemophilia do not produce one of the prot_____ needed for normal clotting. They can die from simple cuts and bruises ein
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Genetic Disorders – Down Syndrome In Down syndrome, a person’s cells have an extra copy of chrom______ 21 People with Down syndrome have some degree of mental retar________ osome dation
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Pedigree A Pedigree is a chart or fam____ tree that tracks which members of a family have a particular trait. ily
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Karyotypes A karyotype is a picture of all the chrom__________ in a cell. Karyotype can be used to detect genetic disorders osomes
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Hybridization In hybridization breeders cross two genet_____ different individuals. The hybrid organism that results is bred to have the best tra____from both parents ically its
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Cloning A clone is an organism that has exactly the same ge____as the organism from which it was produced. nes First Cloned Dog
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Genetic Engineering In Genetic engineering, genes from one organism are trans_______ into the DNA of another organism. ferred
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Genetic Engineering Through genetic engineering, scientists can cha____ the physical appearance of a species nge
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Human Genome Project The main goal of the Human Genome Project is to identify the DNA sequence of every ge___. Through this project scie_______have learned that humans have at least 30,000 genes ne ntists
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Reflection Prompt: Write 5 facts that you learned in the video.
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