Unit 6: Heredity

DNA

100

DeoxyriboNucleic Acid

DNA

200

phosphate + sugar + base

nucleotide

300

shape of DNA

double helix

400

eukaryote organelle where DNA is stored

nucleus

500

four bases of DNA (ATCG)

adenine thymine cytosine guanine

Mutations

100

change in number type or order of bases

mutation

200

true/false: mutations are random

true

300

true/false: mutations can only be good or neutral

false (they can also be bad)

400

when do mutations usually happen

replication

500

mutation that harms an organism's normal function

genetic disorder

Heredity 1

100

passing of genetic material from parents to offspring

heredity

200

feature that has different forms in a population

characteristic

300

one form of a characteristic

trait

400

segment of DNA responsible for one trait

gene

500

version of gene inherited from parents

allele

Heredity 2

100

predicts all possible offspring genotype of a cross

punnett square

200

traces trait occurrence through many generations

pedigree

300

true/false: dominant traits need two of the same allele to show

false

400

true/false: homozygous has two of the same allele

true

500

physical traits (result of genotype)

phenotype