Does natural selection work on non heritable traits

I think it does, cause even though the animal inherited the trait, if the specific trait makes it weaker, it'll most likely be opted out by natruale selection because it will be an easier prey than animals with ought it.

Complete question:

In one plant, the allele for long stems (L) is dominant; the allele for short stems (l) is recessive. The scientist crossed a heterozygous, long-stemmed plant with a short-stemmed plant. Which of these shows the expected results of this cross?

50% long-stemmed plants and 50% short-stemmed plants 75% long-stemmed plants and 25% short-stemmed plants 100% long-stemmed plants 100% short-stemmed plants50% long-stemmed plants and 50% short-stemmed plants

Explanation:

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