Exam 5: Genetics: a Review

In Mendel's pea plants,round seeds (R)were dominant,and wrinkled seeds (r)were recessive.The endosperm of the pea is also either starchy,a dominant gene (S),or waxy,the recessive allele (s).If these genes are not linked,which of the following is true of a heterozygous dihybrid cross?

To make recombinant DNA,

Sections of DNA that do not code for a final product,and which may intervene in a DNA sequence are

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

Gene interactions in which an allele at one locus prevents the expression of an allele at another locus is called

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

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

What is the anticodon for GCG?

Which of the following is NOT part of Mendel's law of segregation?

The polymerase chain reaction is

The location of a gene on a chromosome is called the gene __________.

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?

You expect to find a ratio of 9:3:3:1 among the F₂ offspring in which type of cross?

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

Which level of control in gene activity involves delay in translation,such as the buildup of oocytes messenger RNA until fertilization activates egg metabolism?

If a gene is not on the sex chromosome,it is found on a(an)

What was the relationship between Gregor Mendel's work and the growing understanding of cells and chromosomes?

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

Which of the following statements about DNA replication is NOT correct?

Aneuploidy is the addition or subtraction of a single _____________ to or from a diploid set.