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21 Cards in this Set
- Front
- Back
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Somatic Cells |
Body Cells with DNA from both your parents |
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Gamete |
Sex cells with one set of DNA to pass on to your offspring |
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chromosomes |
tightly coiled packages of DNA |
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Sex chromosomes |
Control the sex of an organism |
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Autosomes |
control all other life functions |
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Homologous Chromosomes |
2 chromosomes ( one from mom, one from dad) of same size and genes |
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haploid |
Have one copy of each chromosome |
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Diploid |
Have two copies of each chromosome |
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sexual reproduction |
fusion of two gametes to mix parents genetic information |
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fertilization |
joining of an egg and sperm |
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Zygote |
diploid cell resulting from joining of haploid egg and sperm |
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Meiosis |
The process that divides a diploid cell into four haploid cells |
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Gene |
piece of DNA that stores instructions to make a certain protein |
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Allele |
Any form of the different forms of gene
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Homozygous |
Two alleles of a gene are the same |
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Heterozygous |
Two alleles of a gene are different
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Dominant |
Expressed when 2 different alleles are present |
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Recessive |
Expressed only when there are two copies of this allele |
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Genotype |
Set of alleles one has for a trait
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Phenotype |
What the trait looks like
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Genome |
All of organisms genetic Material |
