D. 25. A monohybrid cross is
A. a cross of pea plants
B. a cross of two different traits.
C. a homozygous pure dominant
D. a cross of one trait such as height.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

a- all cells come from pre-existing cells

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!