Hello! Your answer is A, blue is dominant to white.
A dominant gene means that it is always expressed if present, no matter what other genes there are. For example, if there is a dominant blue gene, and a recessive red gene, blue will be expressed.
In this case, we see that all three children are blue. This shows that blue is most likely dominant, and white is recessive.
Let's approach the other case, that white is dominant to blue. If white is dominant, then the blue smurf must have two blue recessive traits, and the white smurf would either have two white dominant traits, or one white and one blue trait. The only possible way the children can have a blue color is if the white smurf is heterozygous (meaning it has two different genes, in this case one blue and one white), and passes down the recessive gene three times. As you can see, this is very unlikely.
If white and blue are codominant, then the children would have a mixture of the two genes. (Most likely). This is not the case.
Therefore, your answer is A.
Hope this helps!
Answer:
Idealized pyramid of net production uses the typical values of 1% for the conversion of sunlight energy to net primary production and 10% for trophic efficiency.
Explanation:
in real ecosystems, trophic efficiencies usually vary from about 5% to about 20%. As a result, net production diagrams for ecosystems have a pyramid shape. Two key factors explain why trophic efficiencies are relatively low, and thus why net production diagrams are shaped like pyramids. First, not all the organisms at one trophic level are eaten by organisms at the next trophic level. For example, not every plant is eaten by herbivores, and not every herbivore is eaten by carnivores. Second, because of the bioenergetics of animals, not all the food an animal eats is converted to new biomass. Significant amounts of energy are lost in feces, used in cellular respiration, and lost to the environment as heat.
The key feature is cell wall. Only plants contain cells with cell wall. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. The plant cell wall consists of three layers with each layer containing its own unique structure and function.
The correct option is D.
Antibiotic resistant is said to occur, when a particular antibiotic has lost its capacity to effectively eliminate or control the growth of a particular type of bacteria. In this case, the bacteria continues to grow and multiply in the present of the antibiotic drug. Antibiotic resistant usually occur when a bacteria has develop a variation that makes it possible for it to inactivate the antibiotic drug that is used against it. A bacteria that is formerly susceptible to a particular antibiotic may later become resistant to the same drug by developing variations that inactivate the antibiotic drug that is administer to destroy it.
Answer:
DNA is the information stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
Explanation:
