Set 3
Genetics
Vocabulary
1.Mutation – random change
in a gene or chromosome
2.Nucleus – cell structure that
directs all cell activities,
structure contains all DNA
3. Probability – the chance
that a particular outcome will
happen
4. Clone – an organism that is
genetically identical to the
organism from which it was
produced
5. Carrier – a person who
has once recessive allele for
a trait and one dominant
allele, but does not have the
trait
6. Allele – copies of the gene
for each characteristic
7. Punnett square – a diagram
you can use to show hoe likely
each outcome of a breeding
experiment
8. Chromosomes – a double rod of
condensed chromatin; contains
DNA that carries genetic
information
9. DNA – the genetic material that
carries information about an
organism and is passed from
parent to offspring
10. Nature vs. nurture – the debate about
how genes and the environment affect traits
11. Pedigree – a family tree used for
genetic analysis