Cells
Cells without a nucleus
Prokaryotic
Chemical that codes for traits
DNA
Mitosis makes daughter cells with x copies of each chromosome
2
Substance that can cause a mutation
UV, cigarette smoke, etc
hh or HH
homozygous
Complex cells with DNA in a nucleus
Eukaryotes
Letters representing the bases
A, T, G, C
Meiosis makes cells used for
reproduction
Name given to substances that can cause a mutation
Mutagens
A male is represented by this shape in a pedigree
Square
Example of a type of prokaryote
DNA backbone is made of
sugar and phospphate
Number of times DNA is replicated in mitosis and meiosis
Once
A silent mutation will change the __________ but not the ___________________
nucleotide, amino acid
A ___________ allele will always be expressed in the phenotype when present
dominant
Organelle present in all prokaryotes and some eukaryotes
cell wall
Base pairing rules
A-T
G-C
Number of daughter cells resulting from meiosis
4
Common name for trisomy 21
Down syndrome
Carrier
A person who can pass on a trait but does not have the trait (heterozygous for a recessive trait)
Chemical cell wall in prokaryotes is made of
Peptidoglycan
Amino acid coded for by CGC
Arg
Failure of chromosomes to fully separate during anaphase
non-disjunction
Picture of chromosomes arranged in pairs, from largest to smallest
Karyotype
Phenotypic ratio from a cross between two heterozygotes
3:1