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Biology
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22
Biology
9th Grade
04/17/2013

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Term
Gene
Definition
a linear sequence of nucleotides along a segment of DNA
Term
Chromosome
Definition
any of several threadlike bodies,consisting of chromatin that carry the genes in a linear order
Term
Allele
Definition
any of several forms a gene
Term
Phenotype
Definition
Physical apperance
Term
Gamete
Definition
a mature sexual reproductive cell , as a sperm or egg
Term
Punnett square
Definition
are filled in like a multiplicztion problem with one allele contributed by each parent
Term
Random segregation
Definition
the two chromosomes of a pair are distributed randomly to the gametes,eachgamete
Term
Crossing Over
Definition
The interchange of corresponding chromatid segment of homologous chromosomes with their linked genes
Term
Meiosis
Definition
part of the process of gamete formation, consisting of chromosome
Term
Fertilization
Definition
Fecudation of impregnation of animals or plants
Term
Zygote
Definition
the cell produced by the union of two gametes before it undergoes cleavage
Term
Autosomal Inheriatance
Definition
a pattern of Ihheritance in which the transmission of traits
Term
x-linked Inheriance
Definition
A geneon the x chromosome passed through a family
Term
Complete Dominace
Definition
the type of inneritance in which both heterozygotes and dominant homozygotes
Term
Codominance
Definition
one allele was dominant and the other was recessive this is not alway the case
Term
Imcomplete Dominance
Definition
is a non-linear relationship betwwen different forms
Term
Heterozygous
Definition
two diffrent (Alleles) for a trait
Term
Homozygous
Definition
two indenticsl (alleles) for a trait
Term
Dominant
Definition
trait that shows
Term
Recessive
Definition
Trait That is hidden
Term
Phenotype
Definition
Nmae for a trait (Blond , Brown ,Red)
Term
Genotype
Definition
Symbol for a trait (TT, Tt , tt)
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