Question

in a group of syrian hamsters, some individuals have straight whiskers and others have curved whiskers. in this group, the gene for the whisker type trait has two alleles. the allele for straight whiskers (h) is dominant over the allele for curved whiskers (h). the punnett square below shows a cross between two syrian hamsters. consider the phenotypes of the offspring shown. select one box that represents offspring with straight whiskers.

Explanation:

Since the allele for straight whiskers ($H$) is dominant over the allele for curved whiskers ($h$), any offspring with at least one $H$ allele will have straight whiskers. In the Punnett square, the genotypes $HH$ and $Hh$ both contain the dominant $H$ allele.

Answer:

Any of the boxes with genotypes $HH$ or $Hh$ (i.e., all four boxes in the Punnett square as $HH$ appears twice and $Hh$ appears twice) represent offspring with straight whiskers. If we assume we can pick one (as per the instruction to “select one box”), for example, the top - left box with $HH$.