How can we help?

You can also find more resources in our Help Center.

15 terms

Genetics, REproduction, and Adaptation Test Review

STUDY
PLAY
DNA
molecule found in the cell nucleus that encodes genetic information
dominant
an allele that is always expressed when present
gene
a segment of DNA that determines or helps to determine a trait
genotype
the genetic makeup of an organism; the alleles possessed by an organism are represented by symbols (ex: ff)
heterozygous
having 2 alleles that are different
homozygous
having 2 alleles that are the same
hybrid
the offspring of genetically different parents
heredity
passage of genetic material from parents to offspring
phenotype
physical appearance of an organism
Punnet Square
diagram that shows the possible offspring of two parents (allows you to determine the probability of each offspring genotype)
recessive
allele that is not expressed when the dominant allele is present
trait
a characteristic of an organism
variation
a change or slight difference in condition, amout, or level
selective breeding
a process of breeding a plants and animals for particular traits
dna
genetic material which is found inside of the nucleus in chromosomes