Blog

Brown eyes (B) are dominant to blue eyes (b). If two heterozygous parents are crossed, what is the probability that their child will have blue eyes? (Assume autosomal, complete dominance inheritance). Create a Punnett square to support your answer.

Which scientist below first used microscopes, but had several issues with dim lighting?

Hemophilia is a sex-linked, x-linked, recessive disorder. If the same woman who was a carrier for hemophilia and her husband (who does not have hemophilia) have another child, this time a female, what are the chances that their little girl will have hemophilia? Create a Punnett square to support your answer.

Which of the following statements are true of stop consonants? (Select up to two options; partial credit will be awarded for correct selections.)

Which of the following occurs only in meiosis and not in mitosis?  

What part of a nucleotide has a phosphorous and three oxygens and it hangs off the 5′ end of a nucleotide? (Hint: it also makes up part of the DNA backbone)

Which of the following examples includes only prokaryotic organisms?

In a population of birds, there is variation in beak size. Birds with small beaks are better at eating tiny seeds, while birds with large beaks are better at cracking hard, large seeds. Birds with medium-sized beaks, however, struggle to eat either type of seed effectively. Over time, the population begins to show an increase in the number of birds with either small or large beaks, while birds with medium-sized beaks become less common. Which type of selection is being displayed in this scenario?

What structure is the building block of proteins?

Given the following DNA strand:   3’ – AGA – GGG – CCC – AAA – AAT – GCA – 5’   What is the RNA strand?