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SIMS HEREDITY TEST PREP
McNulty 8th
23
Science
8th Grade
11/06/2006

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Cards

Term
Red-green color blindness and hemophilia are two human genetic disorders that are caused by ________
Definition
Sex Linked Gene
Term
A------- is a helpful device for predicting the proportions of possible genotypes.
Definition
Punnet square
Term
the actual combo of alleles of an organism is its (like Bb or BB)
Definition
genotype
Term
an allele that produces a trait in the heterozygous condition is ---------.
Definition
Dominant
Term
the outward appearance of a trait is a

(think photo)
Definition
phenotype
Term
alternate forms of a gene are called _______. ( like B or b or T or t)
Definition
alleles
Term
human height, eye color, and skin color are all traits controlled by ______
Definition
polygenic inheritance
Term
______ is the branch or biology that deals with the study of heredity.
Definition
Genetics
Term
_____ is the moving of fragments of DNA from one organism and inserting them into another organism.
Definition
genetic engineering
Term
_____ is the passing of traits from parents to offspring.
Definition
heredity
Term
the allele that causes color blindness is carried on the ____
Definition
x chromosome
Term
when 2 different alleles results in an intermediate phenotype (looks) it is_____________
Definition
incomplete dominance
Term
What separates during meiosis?
Definition
alleles
Term
what controls traits in organisms?
Definition
genes
Term
what term describes the inheritance of cystic fibrosis
Definition
recessive genes
Term
what phenotype will the offspring be if you cross FF x FF
Definition
all dominant
Term
the result of crossing FF x ff is
Definition
hybrid
Term
an organism with 2 alleles that are the same is called _____.
( think what the term will start with that means same)
Definition
homozygous
Term
in the genotype for a recessive disorder what will each genotype be?
Definition
each gene must be recessive
Term
Eye color is an example of a trai that is produced by a combination of many genes or polygenic inheritance. T or F
Definition
True
Term
Your environment plays no role in how some of your genes are expressed or whether they are expressed at all. T or F
( think of the rabbits in alaska and texas)
Definition
False
Term
at no time does a gene undergo a change that results in a trait that is expressed differently. T or F
Definition
false
Term
gene therapy is a kind of genetic engineering. T or F
Definition
True
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