Genetics - Part 3

Front

What is colorblindness?

Back

Colorblindness is a genetic condition where an individual has difficulty distinguishing certain colors, often due to the absence or malfunction of color-detecting molecules in the eye.

Front

What type of trait is colorblindness?

Back

Colorblindness is a recessive trait, meaning that an individual must inherit two copies of the colorblind allele to express the condition.

Front

How many alleles does a person carry for a single trait?

Back

A person carries two alleles for each trait, one inherited from each parent.

Front

What is incomplete dominance?

Back

Incomplete dominance is a type of inheritance where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes.

Front

What is co-dominance?

Back

Co-dominance is a type of inheritance where both alleles in a heterozygote are fully expressed, resulting in a phenotype that shows both traits.

Front

What is hemophilia?

Back

Hemophilia is a genetic disorder that affects the blood's ability to clot, leading to excessive bleeding.

Front

How is hemophilia inherited?

Back

Hemophilia is typically inherited in an X-linked recessive pattern, meaning it is more common in males who have only one X chromosome.

Front

What is a pedigree chart?

Back

A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors.

Front

What does it mean if a trait is dominant?

Back

A dominant trait is one that will express itself in the phenotype even if only one copy of the allele is present.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an individual, while phenotype refers to the observable characteristics or traits.