KNOWLEDGE CHECK: CHAPTERS 10 & 11

QUESTION 1

  1. When two alleles of the same gene are different, the individual carrying those alleles is said to be ____.​
a. ​recessive
b. ​heterozygous
c. ​phenotypic
d. ​somatic
e. ​homozygous

1 points   

QUESTION 2

  1. A pleiotropic gene ____.​
a. ​acts on secondary sexual characteristics
b. ​influences multiple traits
c. ​is additive
d. ​produces lethal effects when homozygous
e. ​produces epigenetic effects

1 points   

QUESTION 3

  1. Which of the following molecules are able to cut DNA molecules at specific sequences?​
a. assembly enzymes​
b. ​hydrolytic enzymes
c. ​restriction enzymes
d. ​ligase enzymes
e. ​repair enzymes

1 points   

QUESTION 4

  1. An X-linked carrier is a ____.​
a. ​homozygous dominant female
b. ​heterozygous female
c. ​homozygous recessive female
d. ​homozygous male
e. ​heterozygous male

1 points   

QUESTION 5

  1. Which process consists of modifying an individual’s genome?​
a. DNA hybridization​
b. ​PCR
c. ​SNPing
d. ​DNA profiling
e. ​genetic engineering

1 points   

QUESTION 6

  1. Sequencing the human genome was possible with the use of ____ sequencing methods.​
a. automated​
b. ​mRNA
c. ​electrophoretic
d. ​international
e. ​patented

1 points   

QUESTION 7

  1. When DNA fragments are inserted into plasmids, the resulting recombinant molecules must be introduced into ____ in order for the DNA to be replicated.​
a. rabbits​
b. ​humans
c. ​bacteria
d. ​mice
e. ​chimpanzees

1 points   

QUESTION 8

  1. If R
    is dominant to r, the offspring of the cross of RRwith rr
    will ____.​
a. ​have a unique phenotype
b. ​have the same phenotype as the RR parents
c. ​have the same phenotype as the rr parents
d. ​have the same genotype as the RR
parents
e. ​have the same genotype as the rr
parents

1 points   

QUESTION 9

  1. Genetic recombination as a result of crossing over occurs more readily between genes that are ____.​
a. ​on the sex chromosomes
b. ​near the centromere
c. ​located close together on the same chromosome
d. ​located far apart on the same chromosome
e. ​located on different chromosomes

1 points   

QUESTION 10

  1. Currently, the only possible cure for genetic disorders is ____.​
a. genetically modified drugs​
b. ​transplantation
c. ​whole genome replacement
d. ​gene therapy
e. ​GMOs

1 points   

QUESTION 11

  1. One of the advantages of PCR is the ability to ____.​
a. sequence DNA​
b. ​transcribe DNA into mRNA transcripts
c. ​make millions of copies of the entire genome
d. ​double the amount of a rare DNA sequence
e. make millions of copies of a rare DNA sequence​

1 points   

QUESTION 12

  1. Various forms of the same gene are called ____.​
a. ​genotypes
b. ​alleles
c. ​somatic
d. ​recessive
e. ​phenotypes

 

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