Semester Exam 1 Practice

Front

What is the complementary strand of DNA for ATGGCGACT?

Back

TACCGCTGA

Front

In which phase of the cell cycle is DNA replicated?

Back

S Phase

Front

What is the ratio of tall plants to short plants when a heterozygous plant is crossed with a short plant?

Back

1:1

Front

What is the complementary strand of DNA for CGC TAT CGA?

Back

GCG ATA GCT

Front

What type of mutation results in sickle-cell anemia?

Back

Substitution

Front

Define DNA replication.

Back

The process of making a copy of DNA before cell division.

Front

What is a gene?

Back

A segment of DNA that codes for a protein or trait.

Front

Explain the difference between dominant and recessive alleles.

Back

Dominant alleles mask the effect of recessive alleles in heterozygous conditions.

Front

What is the purpose of mitosis?

Back

To produce two identical daughter cells for growth and repair.

Front

Define mutation.

Back

A change in the DNA sequence that can lead to changes in traits.