B6 Inheritance, Variation & Evolution Flashcards
(21 cards)
1
Q
Number of Chromosomes
A
23 pairs = 46
2
Q
23rd Chromosome
A
Determines sex
XX for female, XY for male
3
Q
Gene
A
Small section of DNA that codes for a type of protein
4
Q
Genome
A
Entire set of genetic material in an organism
5
Q
Importance of understanding genetics
A
- Inherited disease
- Ancestral migration
6
Q
Alleles
A
Different versions of the same gene
7
Q
Homozygous
A
Same two alleles
8
Q
Heterozygous
A
Different alleles
9
Q
Dominant allele
A
Expressed over the recessive allele
10
Q
Recessive allele
A
Only expressed when they are homozygous
11
Q
Genotype
A
Collection of alleles for a specific gene
12
Q
Phenotype
A
Characteristics due to the genotype
13
Q
Nucleotide
A
Sugar-phosphate backbone
Double helix structure
Held by complementary base pairing
14
Q
Complementary Base Pairing
A
A-T
C-G
15
Q
Protein Synthesis
A
16
Q
A
17
Q
A
18
Q
A
19
Q
A
20
Q
A
21
Q
A
