Multiple choice

Each gene occupies a point on a chromosome called

  1. Chiasma

  2. Cistron

  3. Locus

  4. Position effect

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A locus is the specific fixed position on a chromosome where a particular gene is located. Chiasma refers to crossover points, while cistron is a functional unit of gene action.