Exam 5: Genetics: a Review

Messenger RNA is transcribed using which strand of DNA?

Methylation of cytosine residues is involved in

At its simplest,meiosis could be described as

A section of a chromosome breaks out and then reinserts itself into the gap it left,but in the opposite direction.What is this called?

What was the relationship between Gregor Mendel's work and Charles Darwin's publication on evolution?

Which type of RNA molecule forms the large and small subunits of the cytoplasmic structure that builds proteins?

To make recombinant DNA,

A trait caused by genes at several loci is an example of which of these?

In the case of tall and dwarf pea plants,if a pea plant shows a recessive phenotype,

Down syndrome is an example of

Transfer RNA functions in

Males are said to be ___________ for traits carried on the X chromosome.

The phenomenon where an allele at one locus may mask or prevent the expression of an allele at another locus acting on the same trait is called ____________.

Body cells and gametes typically have the diploid and ____________ number of chromosomes respectively.

In a cross of parents with AA and aa genotypes for a particular trait,F₁ offspring would show which genotype(s)?

What is a synaptonemal complex?

A complex of mRNA used to allow molecules of the same protein to be synthesized is called a(n)_______________.

Alleles are genes that

Why is crossing-over important?

The mRNA molecules attach themselves to a _______ that allows several molecules of the same kind of protein to be synthesized at once.