Help with Biology? I have no text book.

When I got into this school I was expecting a text book, but obviously I don't have one. Please help me

1. The law of independent assortment states that the inheritance of alleles for one trait is not affected by the inheritance of alleles for a different trait if the genes for the traits are on _____.

separate chromosomes

homologous chromosomes

the same chromosome

homozygous chromosomes

2. Cells containing two alleles for each trait are described as _____.

haploid

gametes

diploid

homozygous

3. A female guinea pig homozygous dominant for black fur color is mated with a male homozygous for white fur color. In a litter of eight offspring, there would probably be _____.

8 black guinea pigs

4 black and 4 white guinea pigs

2 black, 4 gray, and 2 white guinea pigs

8 white guinea pigs

fig 10-8
Figure 10-8
4. In Figure 10-8, what gametes will result if each chromatid crossed with a nonsister chromatid?

A
B
C
D

5. The backbone of a DNA molecule is made of which two components?

phosphate molecules and ribose sugars

deoxyphosphate molecules and ribose sugars

phosphate molecules and deoxyribose sugars

deoxyphosphate molecules and deoxyribose sugars

6. The pairing of _____ in DNA is the key feature that allows DNA to be copied.

nucleotides

nitrogen bases

chromosomes

codons

7. An RNA molecule is a polymer composed of subunits known as _____.

polysaccharides

ribose molecules

nucleotides

uracil molecules

8. X rays, ultraviolet light, and radioactive substances that can change the chemical nature of DNA are classified as _____.

growth regulators

metamorphic molecules

hydrolytic enzymes

mutagens

9. A DNA segment is changed from -AATTAGAAATAG- to -ATTAGAAATAG-. This is a ____.