Term
mitosis, its purpose and result |
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Definition
1 cell divison; daughter cells have 2 sets of chromosomes (diploid); its purpose is for cell reproduction; its result is 23 PAIRS of chromosomes in each of the 2 cells it produces |
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Term
what disease can mitosis lead to? |
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Definition
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Term
meiosis, its purpose and result |
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Definition
2 cell division; 4 daughter cells have 23 chromosomes each (haploids); its purpose is to form gametes for sexual reproduction; 2 cell with 23 SINGLE chromosomes |
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Term
what are chromsomes (in relation to DNA) |
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Definition
each chromosome is one very long strand of DNA |
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Term
what do chromosomes carry? |
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Definition
genes (one chromosome is many genes in a specific order) |
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Term
how many sex chromosomes are there? and if theres _____ sex chromosomes, how many other chromosomes are there and what are they called? |
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Definition
there are 2 sex chromosomes X & Y, the other 44 are autosomes |
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Term
how do you study chromosomes? |
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Definition
karyotype, which is a microscopic analysis of condensed chromosomes (this helps determine the sex of a fetus) |
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Term
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Definition
Individuals having cells of 2 different genetic content; differ in single gene or in chromosome number |
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