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Ch 5 vocab.
Includes heredity, traits, genes, etc.
11
Science
7th Grade
03/18/2011

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Cards

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 charcteristic is inherited

 

Term
Recessive Trait
Definition
A trait that is apparent only when two recessive alleles for the same characteristic are inherited
Term
Genes
Definition
Segments of DNA that carry hereditary instructions and are passed from parent to offspring; 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 appearance
Term
Probability
Definition
The mathematical chance that an event will occur
Term
Sex Cells
Definition
Parent cells. They are different from other body cells. They are egg and sperm cells with only 23 chromosomes
Term
Meiosis
Definition
Cell division that produces sex cells (egg and sperm cells)
Term
Sex Chromosomes
Definition
Carrys genes that determine whether offspring are female or male (male determines sex)
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