Inheritance Flashcards
0
Q
What is the difference between continuous variation and discontinuous variation?
A
Continuous variation can be measured.
Discontinuous variation shows a definite number of easily observed clear cut types.
1
Q
What is variation?
A
The differences which can occur between individuals of the same species.
2
Q
What are different versions of the same gene called?
A
Alleles.
3
Q
What are genotypes and phenotypes?
A
Genotypes are the collection of genes an organism has.
Phenotypes are the physical expressions of genes.
4
Q
What are test crosses (back crosses)?
A
When a dominant individual is crossed with a recessive individual to find out the genotype of the dominant individual
5
Q
What is a polygenic characteristic?
A
A characteristic that is controlled by many genes.
