AP Bio - 1st Semester Exam 24 - 25 - 18 Dec 24

Front

Heterochromatin

Back

is a tightly packed form of DNA, also known as condensed DNA, which comes in multiple varieties.

Front

What is the role of coiling in chromosomes during mitosis and meiosis?

Back

The protein coils are further coiled, and during mitosis and meiosis, the chromosomes become even more greatly coiled to facilitate their movement.

Front

Population genetics

Back

is the study of how selective forces change the allele frequencies in a population over time.

Front

What is the focus of mechanisms used to copy and transmit genetic information?

Back

The focus is on explaining the relationships between biological concepts.

Front

What is the definition of allele frequency?

Back

Allele frequency is the proportion of a specific allele among all allele copies in a population.

Front

Define mitosis.

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells from a single parent cell.

Front

What is meiosis?

Back

Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically diverse gametes.

Front

Explain the term 'genetic variation'.

Back

Genetic variation refers to the differences in DNA sequences among individuals within a population.

Front

What is the significance of DNA replication?

Back

DNA replication is crucial for cell division, ensuring that each daughter cell receives an exact copy of the parent cell's genetic material.

Front

Define natural selection.

Back

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