CELS191 Flashcards
1
Q
What is a gene
A
A section of DNA that determine a triat
2
Q
Allele
A
Different versions of the same gene
3
Q
Atavism
A
The appearance of a gene in a later generation
4
Q
Law of segregation
A
Genes separate at meiosis, and each gene only contains one allele from each parent
5
Q
Law of independent assortment
A
When gametes are produced alleles from different gene are randomly allocated to each gamete
6
Q
Lethal alleles
A
In some cases the homozygote combination of certain alleles can be deadly, and the offspring of that genotype are never produced
7
Q
Polymorphism
A
This is when a gene for a particular trait can have many different alleles
