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Comprehensive Topics (Final BIOL 375 Dr. Defraia)

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What is a trait?

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Terms in this set (132)
What is a trait?

Example?
a characteristic that can be seen

Ex) RBC shape, height, hair color, eye color
What is a phenotype?

Example?
a version of a trait

Ex) blue eyes vs green eyes, 5'4" vs 5'7"
What is a gene?
segment of DNA that codes for a protein
What is an allele?
a version of a gene
What is gene expression?
genes + environment = expressed trait
Do genes express traits directly? If not, how?
No, the proteins they code for do
What is a genotype?

Ex)
the combination of alleles a person has

Ex) Aa, AA, or aa
What are chromosomes?
storage form of DNA/genes
How do genes and alleles relate to each other?
an allele is a variation of a gene
How do genotypes and alleles relate to each other?
a genotype is the combination of alleles a person has
How do genotype and phenotype relate to each other?
a persons genotype determines their phenotype
How do gene and chromosome relate to each other?
chromosomes contain a person's genes
How do trait and phenotype relate to each other?
A trait is a general physical expression of a gene
A phenotype is the specific expression of the trait/gene
Different people have different fingerprint types on each finger. The different types are: Arch, Whorl, or Loop.

The term "fingerprint type" is a:

The Arch, Whorl, or Loop types are:
trait

phenotype
How are alleles related to traits and phenotypes?
Different alleles result in different traits and phenotypes

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