Turner's syndrome is a human female disorder characterized by short stature, obesity, and failure to mature sexually. it is caused by a missing x chromosome, so the affected person has only 45 chromosomes. when there is an extra or missing chromosome, the chromosomes never separate from the tetrad during metaphase of meiosis i. they are always xo, as yo is a fatal condition prior to birth. how can a genetic disorder, such as turner's syndrome, occur?

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis

Someone with these questions! pls 30 pts