Genetics Vocab

Which of the following is a different form of a gene?

• Trait

• Allele

• Genotype

• Homozygous

What is best definition of phenotype?

• The genetic makeup of an organism

• The combination of alleles

• The physcial appearance of an organism

• A disease caused by mutations

What is the best definition for genotype?

• The combination of alleles of a gene

• The physical appearance

• The trait

What is the best definition for a dominant allele?

• An allele that is masked by the other allele

• The stronger allele

• The more popular allele

• An allele whose trait always shows present

What is the best definition for a recessive allele?

• The allele that is masked, or covered up, by the other allele

• The weaker allele

• The less popular allele

• The allele whose trait always shows when present

What is the best definition for homozygous

• A mixture that is the same throughout

• A gene containing two of the same alleles

• A gene containing two different alleles

• A mixture that is different throughout

What is the best definition of heterozygous?

• A mixture that is the same throughout

• A gene containing two of the same alleles

• A gene containing two different alleles

• A mixture that is different throughout

Dominant alleles are represented by what?

• I don't know what you are talking about

• A lowercase letter

• Any letter they want

• An uppercase letter

Recessive alleles are represented by what?

• A small number

• A lowercase letter

• A BIG number

• An uppercase letter

"Mr. Miller has bushy eyebrows" is an example of what?

• An allele combination

• A genotype

• A gene

• A phenotype