Explain how a person could have a sex chromosomes that differs from their external appearance.
Your answer should focus on:
- the SRY gene
- meiosis
- crossing over
- independent assortment
- any other phenomenon you learned of, that can contribute to this situation

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

What occupation did muhammad have before the first revelation

Whats one way that rocks do not follow the typical rock cycle pathway?