Variation

Question 1

Define wild type.

Answer 1

Genotype of phenotype that is found in nature or in a standard laboratory stock for a given organism.

Question 2

Define mutation.

Answer 2

1. The process that produces a gene or a chromosome set differing from the wild type.
2. The gene or chromosome set that results from such a process.

Question 3

Define somatic cells.

Answer 3

Majority of cells in body.

Question 4

Define germ cells.

Answer 4

They give rise to gametes.

Question 5

Define haploinsufficiency.

Answer 5

Loss of one copy of gene produce phenotype.

Question 6

Define polymorphism.

Answer 6

In a natural population, the existence of two or more common discontinuous variants.

Question 7

Define microsatellite.

Answer 7

Di-, tri- or tetra- repeats in a DNA sequence.