Biology Spring Final 2025 mine

Front

What is the complementary strand of DNA for the sequence A-T-T-A-C-A-G-C?

Back

The complementary strand is T-A-A-T-G-T-C-G.

Front

Define Duplication in genetics.

Back

Duplication is a type of mutation where a piece of DNA is copied one or more times.

Front

What does it mean for an individual to be a carrier of a genetic disorder?

Back

A carrier is an individual who has one copy of a recessive allele that causes a genetic disorder but does not exhibit symptoms.

Front

What do buffalo compete for during the dry season in the Serengeti?

Back

Buffalo compete for grass with other herbivores.

Front

How many girls in a family express a recessive disorder if 5 out of 10 children are affected?

Back

5 girls express the recessive disorder.

Front

What is the role of herbivores in an ecosystem?

Back

Herbivores are primary consumers that feed on plants and play a crucial role in energy transfer within the food chain.

Front

Explain the concept of natural selection.

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in traits or functions of an organism.

Front

Define Inversion in genetics.

Back

Inversion is a mutation where a segment of DNA is reversed within the chromosome.

Front

What is the significance of genetic diversity in a population?

Back

Genetic diversity increases a population's ability to adapt to changing environments and resist diseases.