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Biology Voc 6.1
Biology Voc 6.1
10
Biology
9th Grade
04/16/2012

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Term
Allele
Definition
Allow for genetic variation, one of two or more different genes that occupy the same place on a chromosome.
Term
Dominant
Definition
Represented by a capital letter, always expressed in the offspring.
Term
Gene
Definition
Basic unit of heredity, found on DNA in the cell's nucleus and is passed from parent to offspring; transcribed in mRNA.
Term
Genotype
Definition
The genetic make up of an organism.
Term
Heredity
Definition
The passing of traits from parent to offspring.
Term
Heterozygous
Definition
One dominant allele and one recessive allele. Tt or Ss
Term
Homozygous
Definition
Both alleles are dominant or both are recessive. TT or ss
Term
Punnett square
Definition
A method of finding the probable genotypes and phenotypes of offspring.
Term
Phenotype
Definition
An expression of an organism's genotype- the physical characteristics associated with genotype. The way an organism looks or behaves.
Term
Recessive
Definition
Represented by a lower case letter, trait that is expressed only when the dominant trait is absent.
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