DNA
A permanent change in a gene's DNA sequence that alters or changes the genetic instructions carried by that gene is called a
A. Hybridization
B. Mutation
C. Selective Breeding
D. Inbreeding
B: Mutation
A segment of DNA that codes for a particular protein which in turn codes for a particular trait is called a
A. Chromosome
B. Nitrogen Base
C. Nucleotide
D. Gene
D: Gene
True or False: Breeders can add to the genetic variation of dogs and cats through mutations.
True
Letting only those animals with desired characteristics produce the next generation is called
A. Hybridization
B. Inbreeding
C. Selective Breeding
D. Mutation
C: Selective Breeding
Microscopic thread like strands composed of the chemical DNA are called
A. Chromosomes
B. Genes
C. Nucleotides
D. Mutations
A: Chromosomes
This is the control center of all cells and is where DNA is located within all cells.
A. Gene
B. Chromosome
C. Nucleus
D. Nucleotide
C: Nucleus
The continued breeding of individuals with similar characteristics is called
A. Random Breeding
B. Hybridization
C. Inbreeding
D. Mutative Breeding
C: Inbreeding
Mixing the disease resistance of one plant with the food making ability of another is an example of what type of selective breeding?
A. Inbreeding
B. Mutation
C. Hybridization
D. DNA Manipulation
C: Hybridization
Type of selective breeding where organisms that have different traits are crossed to bring together the best of both organisms is called
A. Inbreeding
B. Hybridization
C. Mutation
D. Random Breeding
B: Hybridization
True or False: Inbreeding and Hybridization are the two types of selective breeding.
True
Adenine will always bond with what other nitrogen base?
A. Cytosine
B. Guanine
C. Arginine
D. Thymine
D: Thymine
Guanine will always bond with what other nitrogen base?
A. Cytosine
B. Thymine
C. Adenine
D. Arginine
A: Cytosine
True or False: Inbreeding decreases the probability that organisms may inherit alleles that lead to genetic disorders.
False: Inbreeding increases the probability that organisms may inherit alleles that lead to genetic disorders.
What type of bonds hold together the sides of a DNA ladder?
A. Ionic Bonds
B. Covalent Bonds
C. Genetic Bonds
D. Hydrogen Bonds
D: Hydrogen Bonds
The sides of the DNA ladder are made up of alternating sugar and
A. Sulfur Molecules
B. Chromosomes
C. Phosphate Molecules
D. Nitrogen Bases
C: Phosphate Molecules
What is the structure of DNA called?
Double Helix
A combination of a single Nitrogen base (A,T, C, G), a deoxyribose sugar, and a phosphate make up a
A. Nucleus
B. Hydrogen Bond
C. Chromosome
D. Nucleotide
D: Nucleotide
What makes the selective breeding of plants and animals possible?
A. Organisms having the same DNA
B. The great variety of genes found in wild plants and animals
C. Organisms having the same structure of DNA
D. None of the Above
B: The great variety of genes found in wild plants and animals
The rungs or steps of the DNA ladder are made up of
A. Phosphate Molecules
B. Nucleotides
C. Nitrogen Bases
D. Sugar Molecules
C: Nitrogen Bases
Name the scientists that established the structure of DNA.
Name one scientists = 400
Name two scientists = 800
James Watson and Francis Crick
Name the four Nitrogen Bases that make up the steps in the DNA ladder.
* Give letters they start with = 500
* Give their full names = 1,000
Adenine (A)
Thymine (T)
Cytosine (C)
Guanine (G)
Write the complimentary DNA strand for the following DNA sequence:
C G T A A G C G C T A A T T A
G C A T T C G C G A T T A A T
Write the complimentary DNA strand for the following DNA sequence:
A T G C G C A T A T
T A C G C G T A T A
A nucleotide is made up of three parts. Name those three parts.
1. Sugar (deoxyribose)
2. Phosphate
3. Nirogen Base (A,T, C, G)
How many chromosomes do humans have?
46 Chromosomes (23 Pairs)
What does DNA stand for?
Deoxyribonucleic Acid