trait
DNA or genens these are the segments of the chromosome.
trait
gene
Two.
Yes, a single gene can control more than one characteristic through a concept called pleiotropy. This occurs when a gene influences multiple, seemingly unrelated traits or phenotypes. Examples include the gene responsible for sickle cell anemia, which can also affect resistance to malaria, or the gene responsible for Marfan syndrome, which can impact the heart, eyes, and skeleton.
allele
DNA or genens these are the segments of the chromosome.
The death toll from a plane crash in northwestern Iran has risen to 77, news agencies in the country reported Monday.
trait
an allele
allele
trait
gene
Two.
dominant
9
Two.