DNA & Cells Flashcards
1
Q
DNA
A
The carrier of all genetic material
2
Q
Gene
A
Instructions for a specific protein or segment of DNA
3
Q
RNA
A
Acts as a messenger for instructions from DNA to the proteins
4
Q
Chromosome
A
A long DNA strand
5
Q
Mutation
A
A change in a gene or chromosome
6
Q
Allele
A
A form of a gene
7
Q
Protein
A
Carryout most of the body’s functions
8
Q
Dominant
A
The gene that is always expressed
9
Q
Recessive
A
The gene that is only expressed in a homozygous state
10
Q
Genotype
A
Two alleles a person has for any given trait (the letters)
11
Q
Phenotype
A
Physical appearance
12
Q
Homozygous
A
Two of the same allele
13
Q
Heterozygous
A
Two different alleles
14
Q
Gamete
A
Reproductive cells
15
Q
Heredity
A
Biological processes in which traits are passed from one generation to another
