Why can offspring from the same parents appear different?

crossing-over

independent assortment

randon segregation of chromosomes

all of these

Barbara can walk 3200 meters in 24 mins. How far can she walk in 3mins.?

For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building. question 3 options: a. True b. False

An organism is found in a deep-sea vent where the temperature is very high and the mineral content very unusual. The organism is unicellular, has no apparent nucleus, and has a cell wall but no peptidoglycan.

What would happen to a food web if one species were to become extinct?

Which is the structural building block of all living things

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.

What accounts for genetic biodiversity existing in modern multicellular organisms?

Torri and Tamara are both performing scientific investigations on the learning capabilities of mice. In Torri's experiment, she sets up two knobs in a cage with a mouse. When the mouse touches the knob on the left, it receives a small shock.

What did Chargaff discover while studying bases in the DNA of organisms?

Russia's system of government and identify its basic structure.