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I sure this has something to do with biology
Uggghhhhhhh
18
Biology
10th Grade
05/11/2009

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Term
dominant
Definition
referring toa factor that masks another factor for the same traits.
Term
genetics
Definition
the field of biology that focuses on how charateristics are transmitted from parents to offspring
Term
recessive
Definition
referring to a factor that is masked by another factor for the same trait
Term
law of segregation
Definition
the segregation, or separation, of two factors for the same trait when a gamete forms
Term
law of independent assortment
Definition
the independent segregration of the factors that control different traits
Term
allele
Definition
an alternative form of a gene
Term
Punnett square
Definition
a way to show the possible outcomes of genetic cross
Term
phenotype
Definition
the expression of the genotype of an organism
Term
genotype
Definition
the genetic makeup of an organism
Term
homozygous
Definition
the condition where both alleles of a pair are alike
Term
heterozygous
Definition
the condition whwere both allele of a pair are different
Term
monohybrid cross
Definition
a cross between individuals that involves one trait
Term
dihybrid cross
Definition
a cross between individuals that involves two traits
Term
incomplete dominance
Definition
a situation where two or more alleles influence the phenotype which is in between that of the parents
Term
codominance
Definition
a situation where both alleles for a gene are expressed in a heterozygous individual
Term
sex chromosome
Definition
a chromosome that carries the genes that determine an individual's sex
Term
X-linked trait
Definition
a trait whose alleles are located only on the X chromosome
Term
pedigree
Definition
a family history that shows individuals who display a particular trait and those who do not display the trait
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