D. A possible answer to a scientific question
Answer:
Touch is, in several ways, seemingly different from these other senses, however. For one thing, touch does not seem to have a single sense organ. ... Instead, the skin contains many different sensory systems. Many of them, like those that code for pain and itch, do not seem to be tied directly to the sense of touch.
The main component in three investigations is that in my opinion The common denominator of the fact that they are all three still investigations.
True
it is another way that plants make food as oppose to photosynthesis
Answer:
The correct answer is - Test cross.
Explanation:
A test cross is a cross that is made between an organism with an unknown dominant genotype and an organism that purebred recessive genotype for the particular trait. It determines if the unknown genotype of the individual being tested is purebred allele dominant or heterozygous for the trait.
If all offspring in F1 generation has phenotypically dominant trait then the tested organism is pure breed dominant and if half of the offsprings have the phenotypically dominant trait and half show recessive trait then the organism to be tested is heterozygous or hybrid.
