Which statement accurately describes how identification of individuals through the use of genetic engineering is possible? a. the y chromosome doesn't experience crossing-over. b. the dna in mitochondria is passed from mother to child in the nucleus of a cell. c. the mitochondria dna in a mother and her offspring vary greatly. d. the x chromosome can only be passed from a father to his son.

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

If a robot fixed another robot is it a engineer or doctor?

Will mark brainliest. (20 points) many have pigments structures known as eyespots that detect direction of light. a. b. archaebacteria c. protists d. none of the above