Question Detail
Question
Which of the following is true of meiosis? a. Tetrads form chiasmata during prophase I b. Crossing over results from independent assortment of homologous chromosomes c. Synapsis occurs during prophase II d. products are always similar at the end of the process
Correct Answer
Option A is the correct answer.
Detailed Explanation
Tetrads (bivalents) form chiasmata, which are the visible sites of crossing over, during prophase I. Crossing over and independent assortment are separate sources of variation. Synapsis occurs only in prophase I. Meiotic products are genetically different, not always similar.
Hint
Chiasmata are the X-shaped connections seen in the tetrads.