A abnormal tissue tract opened at both ends of a wound caused by infection and lined with skin cells is called?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

Dna replication or repair occurs in a cell in all of thw following situations except when