The karyotype for trisomy 21 illustrates an example of a genetic mutation caused by A) insertion. B) inversion. C) crossing over. D) nondisjunction.

1. In the marine food web shown, which of the following organisms does not feed on silversides? O A. Arctic cod OB. sea duck C. ringed seal O D. beluga whale

You carry out a cross between a true-breeding (homozygous) red-flowered snapdragon and a true-breeding (homozygous) white-flowered snap dragon. The offspring in the F1 generation are all pink. What would the genotype of the offspring (F1) be? a.

Which parts of the body assessed by the nurse would confirm a diagnosis of frostbite? select all that apply?

Name another process other than respiration which needs oxygen and releases carbon dioxide which happens in animals and/or plants.

Coral reefs are home to a quarter of all marine species on Earth. What is one consequence of decreased biodiversity in coral reefs? A. More niche opportunities for land species B. Increased number of predatory species C.

How are unique daughter cells created in meiosis? A. Homologous pairing B. Crossing over C. Mutation during reduction Division D. Zygote fertilization

In any food web, which organism has the LEAST available energy? A) birds or omnivores B) plants or producers C) fungi or decomposers D) animals or carnivores

What organelle stores DNA in eurkaryotic cells?

What two genotypes would show as a dominant trait?

Lymphoma is a disease that prevents the lymph nodes from functioning properly. which would be a result someone having this disease a) they would be more likely to be harmed by common viruses b) they would be less likely to catch a cold or a flue c)