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Genetics Vocab
This is my Genetics Vocab prodject
16
Other
7th Grade
03/30/2017

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Term
Hybrid
Definition
Also called HETEROZYGOUS. Consists of gene pairs that are DIFFERENT.
Term

 

Allele

Definition
different forms of a gene
Term
Gene
Definition
unit that passes on and determines traits.
Term
Dominant
Definition

 

A gene or allele that is  “shown” in the offspring. Dominant genes mask or "hide" recessive genes. “ Dominance Rules” uses capital “ R”.

Term
Recessive
Definition
ene that is not “shown” in the offspring. Non ruling genes uses lower case “r”
Term
Homozygous
Definition
having two of the same alleles for a trait.  Example ( RR or rr)
Term
Chromosome
Definition
a structure in the nucleus that contains hereditary material (DNA)
Term
Codominance
Definition

 

when both inherited alleles are expressed.

Term
Incomplete dominance
Definition
when no allele in a genotype is masked.
Term
Dominance
Definition
A gene or allele that is  “shown” in the offspring. Dominant genes mask or "hide" recessive genes. “ Dominance Rules” uses capital “ R”.
Term
Hybrid
Definition
Also called HETEROZYGOUS. Consists of gene pairs that are DIFFERENT.
Term
Purebred
Definition
also known as HOMOZYGOUS. Consists of gene pairs that are the SAME
Term
Punnett Square
Definition

 

a tool used to show all possible genetic outcomes of traits for offspring from one pair of parents.

Term
Genotype
Definition
the allele make-up such as TT, Tt,tt. Made of 2 alleles, represented  by letters
Term
Heterozygous
Definition
having two different alleles for a trait.
Term
Homozygous
Definition

 

having two of the same alleles for a trait.  Example ( RR or rr)

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