In a family of four children, all four children have blond hair and blue eyes. which statement best explains why all four children have blue eyes?
a.
all four children are the same gender.
b.
all four children have genes for blue eyes.
c.
all four children have the same type of diet.
d.
all four children are the same height.

The correct answer is option B, All four children have genes for blue eyes.

Explanation:

The allele (representative of any trait) carried by genes expresses themselves at specific locus devise a phenotype. Traits exhibited can be represented by genotype and phenotype of an individual.  

Here in this example, blue colour of eyes is a trait which is common in all the children of the family, this simply signifies that genes carrying the alleles is same in all the children.  

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg