Please help me with science genetics questions? Thanks to all who answer. :)

1. Chromosome pairs contain different versions of genes, which are called ________.

2. The process in which body cells are duplicated in order to grow and repair body tissues
is called _____________. The process in which the chromosomes in sex cells are
reduced by half us called _____________.

3. A white mouse is crossed with a black mouse. All the offspring were grey. The genes
for fur color in mice show ___________.

4. Genes are specific sections of ________________.

5. To pass its traits on to the next generations, an organism must _________________.

Thanks!!!