Question

can any one explain about crossover in homologous chromosomes?​

Answer 1

Answer:

the new zygote may not be produce or also cause impaired baby born on crossover of homologous chromosomes

Answer 2

Answer:

ok,so here's it..

Explanation:

crossover means exchange of genetic material between two homologous chromosomes non-sister chromatids that results in recombinant chromosomes.It helps in generating variations.