What is a germ-line(gamete-producing cell) mutation?
The mutation can be passed to children
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What are the different types of gene mutation?
Point Mutations(Silent, Missense, and Nonsense) and Insertion/Deletion Mutations
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What is the correct definition for the point mutations?
Silent Mutations have no effect because the same protein is formed. Missense Mutations change the final protein. Nonsense Mutations stops the DNA from being able to code a protein.
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What is an alle?
Different forms of a gene that are inherited from your parents
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What is autosomal dominant inheritance?
Where only one parent has to possess the gene for their child to inherit a disorder (50% chance)
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What is autosomal recessive inheritance?
Where both parents have to possess the gene for their child to inherit it (25% Chance)
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What causes Cystic Fibrosis?
A deletion mutation causes a gene to code a non-functional protein channel that doesn't allow salt to travel across the cell membrane - resulting in thick and sticky mucus which coats cells and builds up in lungs destroying their function.
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What are the correct definitions of chromosomal mutations?
Inversion- Part of a Chromosome is Inverted. Deletion is where part of a chromosome is deleted. Translocation is where different parts of different chromosomes are swapped. Duplication is where part of one chromosome is copied twice and added to another o
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What are the correct examples of chromosomal mutations?
Inversion - Four Ring Syndrome(Clubfeet). Deletion - Cri du chat syndrome. Translocation - Cancer of the Lymph nodes. Duplication- Charcot-Marie-Tooth disease(Claw feet)
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What is non-disjunction?
When chromosomes fail to separate during meiosis
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What disorders are caused by non-disjunction?
Down Syndrome, Kleinfetters Syndrome and Turner Syndrome
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What is the correct order of organisms from lowest number of genes to highest
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