Genetics Review Quiz

What is the role of chromosomes in genetics?

• Chromosomes carry genetic information in the form of genes.

• Chromosomes are responsible for protein synthesis.

• Chromosomes help in the digestion of food.

• Chromosomes are involved in the transport of oxygen in the blood.

What does the Law of Segregation describe in genetics?

• The combination of alleles during fertilization.

• The separation of alleles during gamete formation.

• The dominance of one allele over another.

• The mutation of alleles in a population.

What does the Law of Independent Assortment state?

• Genes for different traits are inherited independently of each other.

• All genes are inherited together as a single unit.

• Genes for the same trait are inherited together.

• The inheritance of one trait does not affect the inheritance of another trait.

What is the definition of heredity?

• The process of evolution over generations.

• The passing of traits from parents to offspring.

• The study of genetic mutations.

• The influence of environment on traits.

Which gender can express Hemophilia if they inherit the affected X chromosome?

• Females (XX)

• Males (XY)

• Both genders

• Neither gender

What genetic principle states that the dominant trait overshadows the recessive trait in offspring?

• Law of Segregation

• Law of Independent Assortment

• Law of Dominance

• Law of Recessiveness

What does an unusually light or white coat color in horses indicate?

• Possible underlying health issues.

• A sign of old age.

• A result of poor nutrition.

• An indication of high energy levels.

What is the difference between genotype and phenotype?

• Genotype refers to the observable traits, while phenotype refers to the genetic makeup.

• Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

• Genotype and phenotype are the same thing.

• Genotype refers to the physical environment, while phenotype refers to the genetic structure.

What is the significance of the X chromosome in relation to sex-linked disorders?

• Many sex-linked disorders, like Hemophilia, are carried on the X chromosome.

• The X chromosome is responsible for the production of red blood cells.

• The X chromosome determines the height of an individual.

• The X chromosome is involved in the digestion of food.

What is the chromosomal condition associated with Trisomy 18?

• A genetic disorder characterized by the presence of an extra 18th chromosome.

• A condition caused by the absence of the 18th chromosome.

• A disorder linked to a missing 21st chromosome.

• A genetic anomaly resulting in an extra 21st chromosome.