If a tall stem is a dominant characteristic, in which case is the character of tall expressed a: when both alleles contain instructions for tall b: when at least one alleles contains instructions for tall c. when at least one parent is tall d: when both parents are tall

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.