Gene keywords Flashcards
1
Q
What is a gene?
A
A short length of DNA found on a chromosome that codes for a particular characteristic.
2
Q
What are alleles?
A
Versions of a gene.
3
Q
What is a phenotype?
A
The observable characteristics of an organism.
4
Q
What is a genotype?
A
The combination of alleles that control each characteristic.
5
Q
What is a dominant allele?
A
An allele that only needs to be inherited from one parent for the characteristic to show up in the phenotype.
6
Q
What is a recessive allele?
A
An allele that needs to be inherited from both parents for the characteristic to show up in the phenotype.
7
Q
What does homozygous mean?
A
Having two copies of the same allele.
8
Q
What does heterozygous mean?
A
Having two different alleles for the gene.
