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Nash Powell Ch. 5 Vocab
Life Science Ch, 5 Vocab
12
Science
8th Grade
03/21/2014

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Term
Heredity
Definition
The passing of traits from parents to offspring
Term
Dominant Trait
Definition
The trait that observed when at least one dominant allele for a characteristic is inherited
Term
Recessive Trait
Definition
A trait that is apparent only when recessive alleles for the same characteristics are inherited
Term
Genes
Definition
Segments of DNA that carry hereditary instructions and are passed from parent to off spring; located ob 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 appearance
Term
Probability
Definition
The mathmatical chance that an event will 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
Chromosomes with matching information
Term
Meiosis
Definition
Cell division that produces sex cells
Term
Sex chromosomes
Definition
The chromosomes that carry genes that determine the sex of the offspring
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