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Melina Fagg~ Ch. 5 vocab
Melina Fagg~ Ch. 15 vocab
12
Science
8th Grade
03/21/2014

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Term

Heredity

Definition
passing of traits from parent to offspring
Term

Dominant Trait

Definition
trait observed when at least one dominant allele for a characteristic is inherited
Term

Recessive Trait

Definition
trait that is apperent only when two recessive allels for the same characteristic are inherited
Term

Genes

Definition
segments of DNA that carry heridtary instructions and are passed from parent to offspring; located on chromosomes
Term

Alleles

Definition
different forms of a single cell
Term

Genotype

Definition
inherited combination of alleles
Term

Phenotype

Definition
organism's imherited appearance
Term

Probability

Definition
the mathematical chance that an event will occur
Term

Sex Cells

Definition
an egg ot sperm; a sex cell carries half the number of chromosomes found in the other body cells
Term

Homologous Chromosomes

Definition
chromosomes with matching information
Term

Meiosis

Definition
cell division that produces sex cells
Term

Sex Chromosomes

Definition
chromosomes that carry genes that determine the sex of offspring
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