How would the human population be different if crossing over did not happer during meiosis?

Without crossing over, each chromosome would be either maternal or paternal, greatly reducing the number of possible genetic combinations.

Explanation: It would greatly reduce the amount of genetic variation between related individuals and within a species. -socrative

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.