. Sperm and egg need the normal number of chromosomes. 2. Sperm and egg combine in to produce a zygote with the normal number of chromosomes.

3. Sperm and egg are sex cells called .

4. Sperm and egg are cells because the number of chromosomes has been reduced by half.

5. The process of produces the gametes - sperm and egg.

6. The process of meiosis involves cell divisions and produces daughter cells.

7. Meiosis allows for differences in offspring as a result of sexual reproduction. This is called genetic .

8. occurs when pieces of homologous chromosomes switch places during meiosis.

9. Each gamete produced by an individual is different because homologous chromosomes line up differently each time they're produced. This is called independent .

10. After fertilization, a zygote divides by to produce a multicellular organism.

This problem has been solved! see the answeryou are investigating two traits in fruit flies controlled by one gene each. the b gene controls for body color (black or brown), while the r gene controls for body sculpture (rugose or smooth). after crossing rugose black flies with smooth brown flies, you obtain an f1 generation of 100% smooth black flies.what are the dominant alleles? (1 pt)what are the genotypes of the two parent flies to perform a dihybrid test cross? (1 pt)after running a dihybrid test cross, you find 1000 offspring with the following phenotypes: , rugose406black, smooth86brown, rugose94brown, smooth4141000fill in the expected column with the expected number of offspring in each class of phenotypes. (1 pt)what phenotype classes represent the recombinant offspring? (1 pt each)calculate the relative genetic distance between the body color gene and the body sculpting gene (show your work). (1 pt).