Inheritance and variation Flashcards
1
Q
Sexual Reproduction
A
Two parents
2
Q
Asexual Reproduction
A
One parent - identical genetic information to offspring, ex. onions
3
Q
Variation
A
Members of the same species differ
4
Q
Species
A
Can breed with each other
5
Q
Chromosomes
A
- DNA wrapped in protein
- 46 chromosomes in each cell
6
Q
Genes
A
- Lengths of DNA along a chromosome
- 3 percent of dna is in the form of genes
7
Q
Genes controlling traits
A
- Two genes for each trait
- Each member of a pair of genes is located on the same place of the partner chromosome
8
Q
Genetic crosses : Expressed
A
when the protein a gene controlling is actually made
9
Q
Genetic crosses:
Genotype
A
The genes that an organism possesses
10
Q
Genetic crosses: Phenotype
A
Traits that can be seen as an organism
11
Q
GC: Dominant
A
A gene that prevents another gene from working
12
Q
GC: Recessive
A
A gene that is prevented from being expressed
