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Science Vocab (Genetics)
These flash cards will test you on your knowledge of genetics.
15
Biology
6th Grade
01/18/2012

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Term
Cells
Definition
The basic unit of structure and function in all living things.
Term
Inheritance
Definition
Passing of genetic information from one generation to the next.
Term
Organelles
Definition
Little Organs
Term
Nucleus
Definition
A membrane bound structure that contains the cell's heredity information and controls the cell's growth and reproduction.
Term
DNA
Definition
Genetic material, huge molecules containing the genetic code. They are coiled to fit the nucleus.
Term
Alleles
Definition
The basic unit of heredity, code for a feature of an organism.
Term
Gene
Definition
The 2 corresponding alleles in a 2 paired chromosome.
Term
Genotype
Definition
Is a combination of alleles in an organism. List the paired alleles that are particular to that organism. Ex: aa, Ee, FF, TT
Term
Dominant Allele
Definition
Have more influence and are represented with a uppercase letter. Ex: E, F, T, A
Term
Recessive Allele
Definition
Have less influence and are represented with a lowercase letter. Ex: e, f, t, a
Term
Partial Dominance
Definition
When both alleles have influence.
Term
Phenotype
Definition
Is the appearance of the trait in the organism. Ex: AA = short legs, Aa = short legs, aa = long legs
Term
Homozygous Gene
Definition
Genes that are made up of 2 dominant alleles or two recessive alleles. Ex: AA, aa
Term
Heterozygous Gene
Definition
Genes that are made up of one dominant allele and one recessive allele. Ex: Aa
Term
Punnett Square
Definition
Is a tool that helps predict the possible traits of the offspring.
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