Multiple choice

Crossing over in diploid organisms is responsible for

  1. dominance of genes

  2. linkage between genes

  3. segregation of alleles

  4. recombination of linked genes

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

Crossing over occurs during meiosis and involves the exchange of genetic material between non-sister chromatids of homologous chromosomes, which leads to new combinations of linked genes.