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14 Cards in this Set
- Front
- Back
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How many chromosomes do humans have |
46 chromosomes or 23 homologous pairs |
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What do chromosome pairs carry |
alleles for traits with one allele coming from mom and one coming from dad each homologous chromosome has an allele |
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What can affect the way genes are expressed? |
the environment |
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How many genes are there on each chromosome> |
hundreds or even thousands |
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What does each gene code for |
ONE protein |
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What are the 4 bases used in DNA and how do they pair |
AT and GC |
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How do bases pair in RNA |
AU and GC |
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What organelle synthesizes proteins |
ribosomes |
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What do ribosomes use as the template to make proteins |
mRNA |
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How are mutations passed on to offspring? hint: what cell does it need to be |
mutation in sex cell |
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True or false: some cells contain different genes than other cells? |
FALSE all cells contain all the genes, depends what genes are turned on |
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What is selective breeding? What is an example? |
choosing organisms for specific traits, dogs |
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What is an of example genetic engineering |
using enzymes to insert human DNA into bacteria plasmids to produce human proteins in bacteria cells we use this to make insulin |
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What technologies let us better understand changes in DNA |
karyotyping and DNA fingerprinting |
