Two Albino Strains of Neurospora Are Crossed

question 24

Essay

Two albino strains of Neurospora are crossed.Of 200 progeny,195 are albino and 5 are wild type (orange).Each parent,when mated with wild type,gives 1/2 wild-type and 1/2 albino progeny.
a)How can you tell that the two mutations involved here represent different genes?
b)What is your best estimate of map distance between the two mutations and how did you calculate it?

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Definitions:

Cause

A factor or element that brings about an effect or result.

Hasty Generalization

A logical fallacy where a conclusion is not logically justified by sufficient or unbiased evidence.

Arguments

Reasons given in proof or rebuttal, or discussions aimed at reaching a conclusion through reasoning.

Trout

A common name for several species of freshwater fish belonging to the salmon family, often valued as food and game.