Which describes a mutation?
if it occurs in a body cell, the cell cannot continue to divide
if it occurs in a sex cell, the cell automatically dies
if it occurs in a body cell, it can be passed on to an offspring
if it occurs in a sex cell, it can be passed on to an offspring
Which describes a sex cell?
acquires 12 pairs of chromosomes from the parent cell
receives one chromosome from each pair in the parent cell
gets half of the pairs of the chromosomes from the parent cell
has all of the chromosomes that are present in the parent cell
What does messenger RNA do during protein synthesis?
copies the coded message from the protein and carries it into the nucleus
carries amino acids and adds them to the growing protein
copies the coded message from the DNA and carries it into the cytoplasm
copies the coded message from the DNA and carries it into the nucleus
Which describes a mutation that occurs within a gene?
An extra base pair must be added for a mutation to occur.
A single base pair can be added, removed, or changed.
A single base pair must be removed for a deletion.
Mutations always involve the deletion of a single base.
A harmful mutation _____.
reduces the organism’s chance for survival
increases the organism’s ability to reproduce
alters the phenotype of the organism
changes the environment of the organism
4 answers
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