Genetics Quiz

Do all genes follow simple Mendelian patterns of heredity?

• Yes, all genes follow simple Mendelian patterns

• No, some genes do not follow simple Mendelian patterns

• Heredity is not related to genes

• Only human genes follow simple Mendelian patterns

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Is heredity generally simple or complex?

• Heredity is always simple

• Heredity is usually simple with some exceptions

• Heredity is usually more complex

• Heredity cannot be determined as simple or complex

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Which of the following is an exception to Mendelian genetics where the phenotype is a blend of two alleles?

• Codominance

• Incomplete dominance

• Complete dominance

• Allele frequency

What is the term used to describe a situation in genetics where both alleles in a pair are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive?

• Incomplete dominance

• Allele frequency

• Complete dominance

• Codominance

What term describes a situation in genetics where one allele is completely expressed over its paired allele in the phenotype?

• Codominance

• Incomplete dominance

• Complete dominance

• Polygenic inheritance

Which type of dominance results in a phenotype that is a blend of the two alleles?

• Complete dominance

• Codominance

• Incomplete dominance

• Multiple alleles

In codominance, what is observed in the phenotype?

• Expression of only one allele

• Blending of both alleles

• Expression of both alleles separately

• Suppression of both alleles

What does codominance in genetics refer to?

• A situation where a single dominant gene determines the phenotype of the offspring

• A condition where both alleles of a gene are not expressed in the phenotype

• A scenario where two dominant genes are present for one trait and both alleles are expressed in the phenotype

• A case where multiple alleles result in a single phenotype

What is the result of codominance in the phenotype of heterozygous offspring?

• A single phenotype that is a blend of both alleles

• Multiple phenotypes that express only one of the alleles

• One phenotype that is completely dominant over the other

• Multiple phenotypes that express both alleles

What does a hybrid (heterozygous) phenotype exhibit in incomplete dominance?

• The same phenotype as one of the homozygous parents

• A completely new phenotype that is not seen in either homozygous parent

• A mixture of both homozygous parents' phenotypes

• The same phenotype as the homozygous recessive parent