17 terms

Genes

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Terms in this set (...)

DNA
a substance with genetic information in cells
chromosome
the part of a cell holding the genes
gene
the part of a cell controlling how living things look
reproduction
the process that creates new living things
variation
a difference between individuals of the same species.
adaptation
a new trait that helps an organism survive and reproduce
mutation
a random error in gene reproduction that leads to a change.
Inherit
to pass traits down from generation to generation.
trait
specific characteristics of an individual
dominant
a trait that covers over, or dominates, another form of that trait
recessive
a trait that is masked by another form of that trait and seems to disappear
alleles
different forms of the same gene
genotype
an organism's genetic makeup
phenotype
an organism's physical appearance, or visible traits
mitosis
cell's division of the nucleus to make 2 cells exactly like the parent cell
protein
a large molecule made up of smaller molecules called amino acids
Punnet Square
a chart showing possible genotypes and phenotypes of offspring

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