How many chromosomes are in an organism with 42 pairs of chromosomes?

As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. For example, in Peru, there are about 500 native varieties of potatoes that Indians once grew.

The external similarity of insect wings and bird wings is an example of

A plant can be grown from a cutting, taking a piece of a stem or leaf. once the cutting has grown roots, it can be planted in soil and will grow into a new plant. this method of producing plants is known as:

Which characteristic makes a cell membrane selectively permeable? the smooth outside of the membrane the chemical nature of the membrane the rigid nature of the membrane the thickness of the membrane

How do you think different people's chromosomes would compare?

Which blood type is inherited by codominance?

Solar flares may be used to predict what?

What do scientists hope to accomplish using recombinant DNA? Ability to prevent infectious disease Replacement of defective genes with normal genes Easy access to medical treatment for individuals with any genetic disease Cheaper medications for

If a climate changed a ecosystem, there would be a change in the kinds of and. that could live in that ecosystem

Match the factors affecting genetic diversity with the examples