Exam Review 3

Question 1

A person with AB blood illustrates the principal of?

Answer 1

Codominance

Question 2

Recessive X-linked traits are more likely to be expressed in a male fruit fly than a female fruit fly because?

Answer 2

The males phenotype results entirely from his single X- linked gene.

Question 3

When a T2 bacteriophage infects E.coli, which part of the page enters the bacterial cytoplasm?

Answer 3

DNA only!

Question 4

It A is dominant to a, and B is dominant to b, what is expected phenotypic ration from cross AaBb x AaBb?

Answer 4

9:3:3:1

Question 5

All the offspring between a red flower and a white flower are pink. This means that the allele for red flowers is _________ to the allele for white flowers.

Answer 5

Incompletely dominant.

Question 6

Which generation must be heterozygous?

Answer 6

The F1

Question 7

What are the monomers for RNA and DNA?

Answer 7

Nucleotides

Question 8

Which enzyme adds based to the newly forming DNA strand in replication?

Answer 8

DNA polymerase

Question 9

In one strand of DNA is GAATTTGCA, what is the compliment DNA?

Answer 9

CTTAAACGT

Question 10

Given a 30 nucleotide sequence, ending in a stop codon how many amino acids are coded for?

Answer 10

9