all the sneetches want their children to have stars on their bellies. an embryo with either yyss or yyss genotype is lethal. y and s are two independently assorting autosomal genes. a true breeding yellow star bellied sneetch mated with a true breeding black starless sneetch and produced 50 f1 sneetches. the f1 then mated with each other and produced 840 f2 progeny.

If you perfer to learn by reading to yourself instead of participating in a group discussing, you are most likely an

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?