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Junior Cert Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What do you call the study of the inheritance of characetesitics   Genetics  
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Name some inherited physical characteristics   Eye colour, hair colour, free ear lobes  
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What is the name given to thread like structures found in the nucleus of as cell   Chromosomes  
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What are chromosomes made from   Protein and DNA  
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How many chromosomes are present in each sex cell, egg and sperm   23  
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What do you call the chemicals present on chromosomes that carry the genetic information   Genes  
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How many chromosomes present in all cells except sex cells   46  
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What is the name given to a gene that appears in a child when two different genes are controlling a characteristic   Dominant gene  
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What is the name given to the gene that does NOT appear in a child when two different genes are controlling a characteristic   Recessive gene  
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Capital letters are used to represent what type of gene   Dominant  
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Small letters are used to represent what type of gene   Recessive  
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Name some non inherited characteristics   Riding a bike, drive car, speak Irish  
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