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28 Cards in this Set
- Front
- Back
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interphase |
longest phase |
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G1 |
cell growth and differetiation |
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S phase |
DNA is synthesized duplication of chromosomes |
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G2 phase |
cell growth cell gets ready for cell divison |
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mutation |
changes in DNA |
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karyotype |
entire set of chromosomes |
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centromere |
hold together 2 DNA double helics after DNA replication |
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chromosomes |
condensed DNA |
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stem cell |
capable of self rewnal and can divide |
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genes |
segments of the DNA |
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celly cycle |
pattern of divide, grow and differenciate then divide again |
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sexual reproduction |
offspring are produced by fusion of gamete |
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asexual reproduction |
offspring is formed from a single parent |
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co-dominance |
2 dominant alleles ex: AB blood type |
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incomplete dominance |
in between the 2 homozogous phenotype ex: gray cow |
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carrier |
person who is heterozygous w one dominant allele and one defective recessive allele |
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albinism |
defect in melanian production |
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sickle-cell amnesia |
defective allele for homoglobia synthesis ingerited form of amnesia |
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Huntington disease |
kill cells in specific brain region symptons show in 30-50 |
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Jacob syndrome |
male has an extra y chromosome tend to be taller increased likely to have learning disabilities |
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Down syndrome |
distinctive faces has an extra copy of chromosome |
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Trisomy x |
females have extra x chromosome tend to be taller |
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Turner syndrome |
females have one less chromosome |
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Kinefitler syndrome |
male has an extra x chromosome male shows female characteristics |
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homozygous |
2 homologous have the same allele |
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heterozygous |
2 homologous chromosomes have different alleles |
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Gregor mendel |
father of inheritance |
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chromatids |
duplicated chromosomes ready for cell division siste chromatids |
