Unit 12 - Molecular Genetics Homework

Question 1

Extranuclear inheritance can involve genes that are present in:

Answer 1

Mitochondria

Question 2

The condition of having one extra copy of a particular chromosome is known as:

Answer 2

trisomy

Question 3

The inactivation of one of the X chromosomes forms a structure known as a(n):

Answer 3

Barr body

Question 4

The synthesis of mRNA from a DNA template is known as:

Answer 4

transcription

Question 5

The enzyme responsible for adding new nucleotides to a growing strand of DNA is:

Answer 5

DNA polymerase

Question 6

The pairs of chromosomes that are not involved in sex determination are known as:

Answer 6

autosomes

Question 7

During DNA replication, the bases of complementary strands always pair as:

Answer 7

A with T, G with C

Question 8

The condition of having three complete sets of chromosomes is known as:

Answer 8

triploidy

Question 9

Each codon in mRNA consists of how many nucleotides?

Answer 9

three

Question 10

The synthesis of a polypeptide chain from an mRNA sequence is known as:

Answer 10

translation