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Week 6 - Life Systems - Heredity, Genetics, Classification
By George Paz
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24 questions
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Question 7
7.
What is the shape of the DNA molecule?
Straight line
Double helix
Circle
Triple helix
Question 8
8.
What does DNA carry for living organisms?
Genetic code
Energy
Water
Food
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Question 1
1.
What is the term for naming organisms with two names?
Binomial nomenclature
Domain naming
Genus identification
Species classification
Question 2
2.
Which kingdom includes organisms that can make their own food?
Plantae
Animalia
Fungi
Protista
Question 3
3.
Which domain consists of single-celled organisms without a nucleus?
Eukarya
Animalia
Bacteria
Archaea
Question 4
4.
Which kingdom is made up of multicellular organisms that move?
Animalia
Fungi
Plantae
Protista
Question 5
5.
What do we call the broad category in biological classification?
Species
Domain
Kingdom
Genus
Question 6
6.
Which domain includes organisms with a nucleus?
Fungi
Animalia
Eukarya
Archaea
Question 9
9.
What does a Punnett Square predict?
Genetic mutations in plants
Probability of traits in offspring
Life expectancy of organisms
Growth rate of offspring
Question 10
10.
What does homozygous mean?
Only one allele present
Trait not expressed in organism
Same two alleles present in organism
Different alleles in organism
Question 11
11.
What is the genotype result of Rr x Rr?
50% RR, 50% rr
75% RR, 25% Rr
100% Rr
25% RR, 50% Rr, 25% rr
Question 12
12.
Which color is dominant in pea plant flowers?
White is dominant over purple
Purple is dominant over white
Green is dominant over white
Pink is dominant over purple
Question 13
13.
What is the genotype of a homozygous dominant organism?
R
Rrr
RR
Question 14
14.
How many offspring will be homozygous recessive from $Rr \times Rr$?
CREATE A PUNNET SQUARE
0%
50%
Question 15
15.
What does heterozygous mean in genetics?
Both parents are identical
Different alleles
Only dominant traits
Question 16
16.
What percentage of offspring will have brown eyes if both parents are hybrid?
100%
0%
25%
Question 17
17.
What does natural selection describe?
Organisms choose their traits.
All species evolve quickly.
Species change over time due to traits.
Animals adapt deliberately to survive.
Question 18
18.
Who proposed a model of evolution in the 1800s?
Jean Baptiste de Lamarck was the first.
Charles Darwin was the first.
Darwin published after Lamarck.
Gregory Mendel proposed evolution.
Question 19
19.
What did Charles Darwin study?
Animals in his backyard.
Only plants in the Galapagos.
He focused on insects only.
Organisms in diverse global locations.
Question 20
20.
What can genetic mutations cause?
Variations that affect survival.
Only negative effects on species.
Identical traits in offspring.
Immediate changes in all organisms.
Question 21
21.
What do we call the change of species over generations?
Gradualism
Fossil Record
Genetic Evidence
Theory of Evolution
Question 22
22.
What documents the history of life using fossils?
Punctuated Equilibrium
Embryological Evidence
Fossil Record
Homologous Structures
Question 23
23.
What compares DNA to show species relatedness?
Homologous Structures
Fossil Record
Genetic Evidence
Radiometric Dating
Question 24
24.
How do homologous structures support evolution?
Share common ancestry with different roles
Always found in fossils
Identical genes across species
Same function in different species
rr
Rr
75%
100%
25%
Same alleles
Only recessive traits
75%
50%