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Jessica Damm ch 5
Chapter 5
12
Science
8th Grade
03/21/2014

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Term
Heredity
Definition
The passing of traits from parent to offspring
Term
Dominant Trait
Definition
The trait observed when at least one dominant allele for a characteristic is inherited
Term
Recessive Trait
Definition
a trait that is apparent only when two recessive alleles for the same characteristics are inherited.
Term
Genes
Definition
Segments of DNA that carry heredity instructions and are passed from parent to off spring; located on chromosomes.
Term
Alleles
Definition
Different forms of a single gene
Term
Genotype
Definition
The inherited combination of alleles
Term
Phenotype
Definition
An organism's inherited apperence
Term
Probability
Definition
The mathmatical chance that an even occur
Term
Sex cells
Definition
an egg or sperm; a sex cell carries half the number of chromosomes found in other body cells
Term
Homologous Chromosomes
Definition
Chromsomes with matching information
Term
Meiosis
Definition
Cell divsion that produces sex cells
Term
Sex Chromosomes
Definition
The chromosomes that carry genes that determine the sex of offspring
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