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Crick Genesics101- W

Genetics 101 What are Genes

QuestionAnswer
What two structures in a cell contain dna? nucleus and mitochondria
Genes are smaller parts of longer strands called what? DNA
What can DNA to that allows a 6 foot long strand to fit inside of a cell nucleus? coil up
What 3 things make up a DNA molecule? sugar, phosphate, 4 types of nitrogenous bases
What are the 4 nitrogenous bases? adenine, thymine, cytosine, guanine
Combinations of ATCG spell out what is called the __? Genetic code
Genetic codes tell the cells how to make what? proteins
Human traits like hair color are determined by ___ made by the cells? proteins
What turns genes off and on in a cell- regulating its function? gene regulators
What do you call long strands of DNA that code for certain traits- these occur in pairs? chromosomes
Humans have __ pairs of chromosomes 23
What percentage of the DNA in your chromosomes do you share with other humans? 99.5%
Created by: russcrick
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