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Genetics and Heredity
VOCABULARY 7
12
Science
5th Grade
11/06/2014

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Term
metamorphosis
Definition
a complete change of form, structure, or substance
Term
asexual reproduction
Definition
the production of new organisms without two different parents
Term
sexual reproduction
Definition
when multicellular organisms reproduce by the joining of cells from two different individuals
Term
zygote
Definition
a fertilized egg that receives chromosomes from each parent
Term
gametes
Definition
reproductive cells that contain only half the number of chromosomes
of body cells
Term
inherited trait
Definition
a characteristic pass from parents to their offspring
Term
dominant trait
Definition
a trait that appears even if an organism has only one factor for the trait
Term
recessive trait
Definition
a trait that appears only if an organism has two factors for the trait
Term
gene
Definition
the part of a chromosome that contains the DNA code for an inherited trait
Term
instinct
Definition
a behavior that an organism inherits
Term
learned behavior
Definition
– a behavior that an animal acquires through experience
Term
environment
Definition
all the living and nonliving things that surround and affect an organism
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