If an organism has 5 chromosomes in its sex cells, how many would it have in its body cells? O. 2.5
O. 5
O. 10
O. 15

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii