The diagram shows one process during sexual reproduction. After fertilization, the zygote contains 28 chromosomes. What is the number of chromosomes (n) present in the gametes?

Infants possess greater brain plasticity than older children. what problems come along with this greater amount of plasticity?

Misusing antibiotics is a problem that can be harmful to the individual and to society. Explain why the proper use of antibiotics is so important?

If crossing over occurs between two chromatids on a single pair of homologous chromosomes, how many gametes will have a recombinant phenotype? all 4 1 of the 4 2 of the 4 3 of the 4 none of them

In a controlled experiment, A. a control group is compared with one or more experimental groups. B. there are at least two variables. C. all factors should be different. D. a variable is not needed.

If the cell cycle is not completed properly ... ?

Arid and semiarid lands are prone to desertification because of

Which statement describes a situation that would reduce the stability of a forest ecosystem? (1) A fierce predator is removed from the ecosystem. (2) The number of producers remains constant in the ecosystem.

A scientist is studying a region of an ocean floor she discovers a long deep canyon that runs parallel to the coastline of a nearby continent what can she inferred from her discovery

Anson is 75 years old and has recently been experiencing a change in his personality. He is acting more impulsively and does not seem to care about his loved ones, to whom he has always been very devoted.

What is the best explanation if the gel of your PCR product shows smeared bands of multiple sizes? Select one: a. Non-specific gene amplification b. Primers hybridizing with one another c. Your isolate was not from a single bacterial colony d.