Term
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Definition
| heritable feature that varies among individuals, such as hair color |
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Term
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Definition
| each vareant for a character, such as blond, black, brown for hair color |
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Term
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Definition
| when plants self pollinate, all their offspring are of the same variety (homozygous parents--BB or bb) |
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Term
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Definition
| mating or crossing of two varieties |
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Term
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Definition
| cross that tracks the inheritance of a single character |
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Term
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Definition
| true breeding Parent generation |
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Term
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Definition
| hybrid offspring ...first filial generation |
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Term
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Definition
| breeding of the F1 generation produces this, the second filial generation |
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Term
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Definition
| alternative versions of a gene |
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Term
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Definition
| fully expressed allele in organism's appearance |
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Term
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Definition
| no noticeable affect on organism's appearance, unless two copies are present |
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Term
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Definition
| alleles for a gene separate into different gametes during meiosis |
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Term
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Definition
| pair of identical alleles |
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Term
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Definition
| two different alleles for a gene |
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Term
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Definition
| physical appearance of an organism |
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Term
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Definition
| genetic makeup, allele combination for a gene |
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Term
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Definition
| tracking of two characters in a mating |
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Term
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Definition
| crossing a homozygous recessive organism with an organism showing a dominant trait to determine if the dominant genotype is homozygous or heterozygous |
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Term
| law of independent assortment |
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Definition
| alleles sort independently of one another (not always true...some genes are linked) |
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Term
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Definition
| heterozygote shows an intermediate phenotype (red, white = pink) |
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Term
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Definition
| phenotypes of heterozygote and dominant homozygote are indistingishable |
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Term
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Definition
| two alleles are manifested in the phenotype (type AB blood) |
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Term
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Definition
| ability of a gene to affect an organism in many ways |
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Term
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Definition
| a gene at one locus alters the phenotypeic expression of a gene at a second locus |
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Term
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Definition
| addive effect of two or more genes on a single phenotypic character (height) |
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Term
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Definition
| family tree describing interrelationships of parents and childern across generations |
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Definition
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Definition
| autosomal recessive disease; mucus build up in lungs |
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Term
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Definition
| autosomal recessive disease that shows incomplete dominance and codominance |
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Term
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Definition
| autosomal recessive (codominance & heterozygote advantage) |
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Term
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Definition
| autosomal dominant; degenerative disease of nervous system with late onset |
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Term
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Definition
| drawing fluid from the liquid that bathes the fetus to test for genetic defects |
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Term
| CVS-chorionic villus sampling |
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Definition
| suctioning off of some fetal tissue from the placenta; immediate karotype and results |
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