Answer:
Use chemicals to prevent chromosomal separation during meiosis in plants.
Answer:
research question: how do different humidity levels affect the heights of different types of trees
independent variable: humidity level
dependent variable: tree height
constants: temperature, light, duration of time
control group: tree left outside in normal conditions
Explanation:
Explanation:
Results in a decline in CD4+T cell numbers below the critical level, and loss of cell-mediated immunity. Therefore the body becomes progressively more susceptible to opportunistic infections and cancer.
chlorine because it has 7 electrons on the outer shell
Alleles in the F1 must be Tt to have height variety in the F2.