Question

step 1: predict the offspring for a cross of true - breeding lineages (bbee × bbee)
the punnett square is for a test cross of two mice that were purebred for two different traits. what will their offspring be? fill in the white boxes of the punnett square with all possible offspring genotypes

Explanation:

Step1: Combine alleles

For each cell, combine the allele from the row (\(be\)) with the allele from the column (\(BE\)).
$$BE\times be = BbEe$$

Answer:

All the white boxes will have the genotype \(BbEe\).