Most cells in the body of a fruit fly contain eight chromosomes. In some cells, only four chromosomes are present, a condition
which is a direct result of

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

What would be an example of hypothesis for goldfish respiration lab

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2