^^^In Corn snakes, for the red gene, the allele for the presence of red pigment (R) is dominant and the allele for the absence of red pigment (r) is recessive. likewise for the black gene, the allele for the presence of black pigment (B) is dominant and the allele for the absence of black pigment (b) is recessive. The follow up question is above(the picture)

Please help:(((

25% of the individuals are expected to lack both colors in their skin.

100% of the progeny are expected to lack only the red color.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.