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| when present with another allele, has actions over shadowed |
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| what trait is actually expressed |
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| dominant trait will always overshadow recessive |
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| you get one allele from each parent |
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| law of independent assortment |
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| genes aren't always linked, color and texture of hair have no connection, offspring will be different |
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| combo of 2 heterozygotes that produce a "medium" trait |
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| combo of 2 alleles in a heterozygote results in the expression of both traits...blood type |
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| determined by more than one gene, skin color and height |
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| occurs when a single gene affects more than one trait |
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| genes that are inherited together... fruit flies body color and wing size have a direct correlation |
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| determined by genes found on sex chromosomes |
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| only reproduction chromosomes, one little branch |
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| what humans have for most of their chromosomes, two little branches |
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| Humans have how many chromosomes? |
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| RNA is used to assemble proteins |
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| three nucleotides in the mRNA strand.. ATG |
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| three nucleotides in the tRNA strand |
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| one base( nucleotide) replaces another |
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| nucleotide changed, but no effect on amino acids |
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| causes single amino acid to change to another amino acid |
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| causes single amino acid to change to stop.. not possible |
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| step in metaphase, chromosomes switch and it is why offspring look different. |
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| cellular reproduction in which number of chromosomes are reduced by 1/2 through separation of homologous chromosomes. for a sexual reproduction function. 4 haploid outcome |
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| process of asexual reproduction in which cell divides into 2 producing a replica with equal number of chromosomes. function of cellular reproduction and growth. has a 2 diploid outcome |
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| 1. metabolic. 2. generative 3. responsiveness 4. control process 5. structural simularities |
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| nutrient processing characteristic of life |
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| growth and reproduction characteristic of life |
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| adapting to surroundings characteristic of life |
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| regulation and coordination of metabolic system characteristic of life |
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| all living things have cells characteristics of life |
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| bacteria, ring-like chromosomes, smaller, have no nucleus |
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| animal and plant cell, has a nucleus, larger, linear chromosomes, single or multiple celled |
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| assembles proteins to kick out |
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| assembles membranes and lipods |
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| energy is obtained in this organelle |
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| holds the DNA in the cell |
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| breakdown organic waste in cell |
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| post office, packages things in cell for transport |
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| synthesizes sunlight in the cell |
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| length of DNA at the ends of chromosome get shorter with every cell division.. around 40 times |
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| cells can divide infinitely.. cancer, germs, bacteria |
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