An example of a producer would be a:

Which of the following terms can be used to describe a person with Down syndrome?

If two genes are linked, they do not obey

Person A carries a fairly large deletion of chromosome 3 whereas person B carries a duplication of the exact same region of chromosome 3. Which of the following statements do you disagree with the most?

Organisms that consume producers are _______.  

In humans, the initial X chromosome inactivation (the spreading phase) occurs during

In a DNA strand, a 5′ phosphate is connected to

A researcher conducted crosses between two different strains of Drosophila. When true-breeding flies with singed bristles (s) and normal wings (L) were crossed to true-breeding flies with normal bristles (S) and vestigial wings (l), all F1 offspring had normal wings and normal bristles. The F1 offspring were crossed to flies with singed bristles and vestigial wings. Which F2 offspring is/are nonrecombinant? 

What is the probability that this couple will have four children, three sons with short index fingers and one daughter long index fingers?

With regard to a maternal effect gene, a mother is dd and her haploid oocyte (d) is fertilized by a sperm carrying the D allele.  Which gene products would be found in this fertilized oocyte?