Which statement correctly compare alleles and genes

a. alleles carry dna instructions. genes decode dna instructions to make proteins

b. alleles are alternatives forms of instructions. genes carry instructions to create proteins.

c. alleles contain sections in dna code. genes contain a single strand of dna.

d. alleles are found in chromosomes. genes are found in ribosomes

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

When ash and dust begin to settle on the ground, they eventually become compacted by