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Genetics Terminology: Alleles, Traits, Phenotype, Genotype, Dominance, Test Cross, Quizzes of Biology

Definitions for key genetics terms, including alleles, traits, characteristics, phenotype, genotype, dominant trait, recessive trait, and test cross. Alleles are alternative versions of a gene, while traits are observable characteristics such as height, hair color, and eye color. The phenotype is an organism's appearance, and the genotype is its genetic makeup. Dominant traits affect the organism's appearance, while recessive traits do not. A test cross is used to determine if a dominant trait is homozygous or heterozygous.

Typology: Quizzes

2010/2011

Uploaded on 10/25/2011

shae-lovesgod12
shae-lovesgod12 🇺🇸

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TERM 1
allele
DEFINITION 1
alternative versions of a gene (TT) or (Tt)
TERM 2
Traits
DEFINITION 2
tall and short
blonde
blue and brown
TERM 3
characteristics
DEFINITION 3
Height
hair color
eye color
TERM 4
Phenotype
DEFINITION 4
what an organisam looks like; its appearence.
TERM 5
Genotype
DEFINITION 5
the genetic makeup of a cell, an organism, or an individual
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TERM 1

allele

DEFINITION 1

alternative versions of a gene (TT) or (Tt)

TERM 2

Traits

DEFINITION 2

tall and short

blonde

blue and brown

TERM 3

characteristics

DEFINITION 3

Height

hair color

eye color

TERM 4

Phenotype

DEFINITION 4

what an organisam looks like; its appearence.

TERM 5

Genotype

DEFINITION 5

the genetic makeup of a cell, an organism, or an individual

TERM 6

Dominate trait

DEFINITION 6

affects the phenotype of the organisim.

TERM 7

Recessive trait

DEFINITION 7

does not affect the appearance fo the organism.

TERM 8

Test cross

DEFINITION 8

is used to determine if a dominant trait is homozygous or

heterozygous for that trait.