- Genes are part of chromosomes. Chromosomes are found
Your answer:
only in egg and sperm cells.
in most every cell of an organism.
only in cells that are dividing or involved in fertilization.
only in the cells of a growing embryo.
- DNA has a shape called a double helix. The best representation of a single helix is
Your answer:
a straw.
a wire screen.
a Slinky toy.
a ladder.
- Which of these statements about identical twins is true?
Your answer:
They could have different fathers.
They have slightly different genes from one another.
They come from eggs fertilized one right after the other.
None of the above is true.
- The Human Genome Project will make it possible to
Your answer:
identify genes that are responsible for hereditary diseases.
clone inanimate objects.
clone humans.
rid the world of all diseases.
- Chromosomes determine a person's
Your answer:
exact age.
weight.
sex.
none of the above
- Which of these would be identical in a pair of identical twins?
Your answer:
their fingerprints
their genes
their weight
their taste in music
- On what did Austrian botanist and monk Gregor Mendel base his basic laws of inheritance?
Your answer:
the reproduction patterns of peas
siblings
the growth patterns of corn
animals
- Why might a certain type of insect be able to resist a new insecticide?
Your answer:
It has tasted the insecticide before and like it.
It can fly away quickly.
It has inherited a genetic variant for resisting the new pesticide.
None of the above are true.
- What is the benefit of having a genetically altered potato?
Your answer:
It can grow with very little sunshine.
Its DNA can fight off fungi that could wipe out entire crops.
It improves the flavor and look of a potato.
Both B and C are true.
- Which of the following can be cloned?
Your answer:
animals
fungi
plants
all of the above