When dealing with the concept of mutations in the first unit (i.e. heredity), what statement is incorrect about mutations? Question 21 options: Mutations do not impact the normal operations of the cell Carcinogens cause mutations to form Occur in sex cells (gametes) Mutations can often arise spontaneously.

.Mutations must occur in gametes in order to be passed onto offspring.b.Most mutations do not result in a phenotype that increases the individual's fitness.c.Mutations occur very rarely in organisms.d.All mutations are harmful.e.Mutations decrease genetic variation in a population.

Which of the following statements about cancer cells is correct?1. Passenger mutations can occur without the onset of a tumor.2. Cancer cells are derived from a clone.3. Accumulation of driver mutations can lead to cancer.4. Intratumoral heterogeneity provides a good rationale for advancing precision medicine.A. 1, 2 and 3B. 1 and 3C. 2 and 4D. 4 onlyE. All of 1, 2, 3 and 4 are correc

Which of the following statements is true about mutations?i. They can produce new alleles of existing genes.ii. They can be inherited if they are in somatic cells.iii. They may affect a single codon or a part of a chromosomeiv. They are always linked to diseasei, ii and iiii and iiiii and iiii, ii, iii and iv

Mutation is an important evolutionary mechanism and occurs with a permanent change in a nucleotide sequence. Which statements about mutations are true? Select TWO correct answers.Select one or more:a.Mutations must occur in gametes in order to be passed onto offspring.b.Most mutations do not result in a phenotype that increases the individual's fitness.c.Mutations occur very rarely in organisms.d.All mutations are harmful.e.Mutations decrease genetic variation in a population.

A mutation in a ____________ cell will arise during meiosis and be passed from parent to offspring, while a mutation in a ____________ cell will arise during mitosis and not be passed on.Select one:a.skin; cancerb.somatic; gametec.cancer; germd.gamete; somatic