Unit 1-6 Review

Front

What is a recessive gene?

Back

A recessive gene is a type of gene that must be present in two copies (one from each parent) for its trait to be expressed in the offspring.

Front

How can children inherit a recessive disorder?

Back

Children can inherit a recessive disorder if both parents carry the recessive gene and pass it on to their offspring.

Front

What are daughter cells?

Back

Daughter cells are the cells that result from the division of a parent cell during processes like mitosis or meiosis.

Front

What is the difference between mitosis and meiosis?

Back

Mitosis results in two identical daughter cells, while meiosis results in four genetically diverse daughter cells.

Front

What is an index fossil?

Back

An index fossil is a fossil that is used to define and identify a particular time period in the geological time scale.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation of sediment, which can include minerals, organic matter, and other materials.

Front

What is a mutation in DNA?

Back

A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.

Front

Are all mutations harmful?

Back

No, most mutations are corrected by enzymes in the body before they take effect, and some can even be beneficial.

Front

What role do enzymes play in DNA replication?

Back

Enzymes help to correct errors in DNA replication, ensuring that most mutations do not affect the organism.