The example that best describes incomplete dominance is sheep with gray fleece. The correct answer is option d.
Incomplete dominance is a pattern of inheritance in which the heterozygous phenotype is intermediate between those of the homozygous dominant and homozygous recessive genotypes.
In the case of the sheep with gray fleece, the gray phenotype is the result of a cross between a white sheep (homozygous dominant for the "white" allele) and a black sheep (homozygous recessive for the "white" allele). The heterozygous offspring inherit one "white" allele and one "black" allele, resulting in a phenotype that is intermediate between white and black - in this case, gray.
So, the correct answer is option d) sheep with gray fleece.
Learn more about incomplete dominance here:
#SPJ11
Archaea and Eukarya.
On the basis of the information provided in the question, the ultimate branch of the phylogenetic tree starts with the line of Eukarya and then possesses the species of the Archaea division that comprises those prokaryotic species, which thrives in extremely tough environmental scenarios.
As the last branch possesses species of two domains, that is, Eukarya and Archaea and it starts with Eukarya and afterward holds the species of Archaea, which shows that both Eukarya and Archaea are associated genetically.