Genetics trivia
Related Trivia
DNA structure, chromosomes, heredity, and evolution.
Genetics Mini Quiz
Test your knowledge with these top questions!
When genetic makeup affects reaction to environmental conditions, leading to different outcomes from same exposure, what is this called?
Gene-environment interactions show how a unique genetic blueprint can change the body's response to things like diet, stress, or even medications.
Which invisible solar rays damage DNA in skin cells?
UVB rays damage DNA directly by creating molecular lesions called thymine dimers, while UVA rays penetrate deeper to damage cells through oxidative stress.
What term names a permanent change in an organism's DNA sequence?
Mutations are permanent alterations in DNA caused by replication errors or environmental factors. They are the essential source of genetic variation for evolution.
Which invisible solar rays damage DNA in skin cells?
UVB rays damage DNA directly by creating molecular lesions called thymine dimers, while UVA rays penetrate deeper to damage cells through oxidative stress.
What term names a permanent change in an organism's DNA sequence?
Mutations are permanent alterations in DNA caused by replication errors or environmental factors. They are the essential source of genetic variation for evolution.
Which word refers to the physical appearance of an organism's traits?
An organism's phenotype is determined by both its genotype and environmental factors. Siamese cats develop dark fur only on cooler parts of their bodies.
Which word refers to the physical appearance of an organism's traits?
An organism's phenotype is determined by both its genotype and environmental factors. Siamese cats develop dark fur only on cooler parts of their bodies.
Which event swaps 1 chemical base for another in a DNA strand?
Sickle cell anemia results from a single base substitution in the hemoglobin gene, demonstrating how one chemical swap can significantly alter a protein's function.
Which event swaps 1 chemical base for another in a DNA strand?
Sickle cell anemia results from a single base substitution in the hemoglobin gene, demonstrating how one chemical swap can significantly alter a protein's function.
Which term describes a trait that masks a weaker version of that same trait?
A dominant allele only requires one copy to express its trait. This allows it to mask a recessive allele, which remains hidden unless an individual inherits two copies.