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Science Hereditary study guide notes
notes
15
Science
7th Grade
01/12/2012

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Term
The allele for hemophilia is on the X chromosome and is a ____________.
Definition
sex-linked gene
Term
_________ is the passing of traits from one generation to another.
Definition
hereditary
Term
The different forms a gene may have for a trait are called _______.
Definition
alleles
Term
In __________ __________ both alleles are expressed in offspring
Definition
incomplete domonance
Term
A plant that receives different generic information from each parent is a ______.
Definition
hybrid
Term
A _______ trait covers up other traits.
Definition
dominant
Term
In a punnett square, a small letter (t) stands for a __________ allele.
Definition
ressessive
Term
A tool used to predict the possible offspring of a mating is called a ______ _____.
Definition
punnett square
Term
The genetic makup of an organism is called its _______.
Definition
genotype
Term
__________ is the way an organism looks and behaves a result of its genotype.
Definition
phenotype
Term
The sstudy of how traits are inherited through the interactions of alleles is _______.
Definition
gentics
Term
Throug ______ ___________ scientists are experimenting to change the arrangement of DNA in a gene.
Definition
genetic engineering
Term
An organism with 2 alleles that are exactly the same is ___________.
Definition
homozygous
Term
________ ___________ occurs when a group of gene pairs acts together to produce a single trait
Definition
polygenic inheritance
Term
An organism that has 2 different alleles for a trait is ___________.
Definition
heterozygous
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