NEW
Font size
S
M
L
XL
WorksheetsGenetics 17
Total questions: 50
Worksheet time: 26mins
Name
Class
Date
1.
The study of how traits such as hair color, eye color, and risk for disease are passed from parents to their children.
a)
genetics
b)
traits
c)
mutations
d)
inheritanceology
2.
Thread-like structures located inside the nucleus of animal and plant cells.
a)
chromosomes
b)
genes
c)
DNA
d)
traits
3.
Humans have _______ pairs of chromosomes.
a)
23
b)
46
c)
14
d)
61
4.
Chromosomes are made up of a single molecule of ____
a)
DNA
b)
genes
c)
traits
d)
skittles
5.
DNA is made of ____ molecules called bases.
a)
1
b)
2
c)
3
d)
4
6.
Which of the following is NOT a DNA base?
a)
Adenine
b)
Thymine
c)
Cyonide
d)
Guanine
7.
Adenine always pairs with ______
a)
Thymine
b)
Guanine
c)
Cytosine
d)
whatever it wants
8.
Cytosine always pairs with _____
a)
Guanine
b)
Cytosine
c)
Adenine
d)
nothing. it's mean and no one likes it
9.
Segments of the DNA code on a chromosome are called ____
a)
genes
b)
jeans
c)
traits
d)
DNA
10.
The genes an organism has are called it's ____
a)
genotype
b)
phenotype
c)
genes
d)
DNA
11.
All of the features that an organism inherits are called ____
a)
traits
b)
DNA
c)
genes
d)
inheritances
12.
Random change in an organism's DNA
a)
mutation
b)
adaptation
c)
unlucky
d)
evolution
13.
Type of mutation when one section of DNA is exchanged with another
a)
substitution
b)
deletion
c)
insertion
14.
Type of mutation when extra information is added to the DNA
a)
insertion
b)
substitution
c)
deletion
15.
Type of mutation when needed information is removed from DNA
a)
insertion
b)
deletion
c)
substitution
16.
Mutation that does not affect the organism's survival (does not help or hurt the organism).
a)
harmful
b)
beneficial
c)
neutral
17.
Mutations that are harmful, and hurt the organism’s chances for survival.
a)
beneficial
b)
negative
c)
neutral
d)
all mutations are harmful
18.
Mutations that can provide an advantage which helps the organisms survive.
a)
harmful
b)
beneficial
c)
neutral
19.
Behavioral or physical characteristics that help an organism survive in its environment.
a)
mutations
b)
adaptations
c)
genes
d)
inheritance
20.
Structural modification made to a part of the body.
a)
physical adaptation
b)
behavioral adaptation
c)
body mutation
d)
body adaptation
21.
Something an animal does that allows the animal to adjust more quickly to immediate threats.
a)
behavioral adaptation
b)
physical adaptation
c)
mutation
d)
body adaptation
22.
Physical or behavioral adaptation: webbed feet
a)
physical
b)
behavioral
23.
Physical or behavioral adaptation: brightly colored feathers
a)
physical
b)
behavioral
24.
Physical or behavioral adaptation: armor plates
a)
physical
b)
behavioral
25.
Physical or behavioral adaptation: migration
a)
physical
b)
behavioral
26.
Physical or behavioral adaptation: finding food
a)
physical
b)
behavioral
27.
Physical or behavioral adaptation: courtship
a)
physical
b)
behavioral
28.
Process where traits become more/less common in a population due to consistent effects upon the survival or reproduction of the organism.
a)
natural selection
b)
selective breeding
c)
natural breeding
d)
selective selection
29.
Process of selecting or choosing specific plants or animals to breed for particular desirable genetic traits
a)
natural selection
b)
selective breeding
c)
domesticated breeding
d)
selective mutations
30.
A group of organisms that share common characteristics and can reproduce among themselves to produce fertile offspring.
a)
Species
b)
Class
c)
Family
d)
Cluster
31.
Changes in inherited characteristics over time
a)
evolution
b)
adaptation
c)
mutation
d)
sublimation
32.
Solidified remains or traces of past life
a)
Fossil
b)
Vestigial Structures
c)
Bones
d)
Jellyfish
33.
Strongest evidence for evolution.
a)
fossils
b)
homologous structures
c)
evolution is FAKE NEWS
d)
DNA
34.
There are gaps in the fossil record because
a)
most organisms do NOT become fossils.
b)
most organisms are ninjas and leave no trace
c)
only some organisms choose to become fossils
d)
things don't die.
35.
Remnants of once useful structures that were needed by ancestors, but a change in organism made structure unnecessary.
a)
vestigial structures
b)
homologous organs
c)
fossilized organs
d)
Selective DNA
36.
Shape/Sequence of body parts that are similar in origin and structure due to common ancestry.
a)
Homologous Structures
b)
Vestigial Structures
c)
Homologous Organs
d)
Incomplete DNA
37.
Organisms share the same sequences of DNA bases
a)
Comparative DNA
b)
Comparative Organs
c)
Competing DNA
d)
Complete Dominance
38.
Study of embryos and development. All vertebrate share common stages as embryo develops.
a)
Embryonic Development
b)
Fossils
c)
DNA
d)
Embryonic Similarities
39.
Which of the following is NOT an example of a vestigial structure?
a)
Opposable Thumb
b)
Appendix
c)
Pelvic Bone in Whales and Snakes
d)
Wisdom Teeth
40.
Bred animals are called __________
a)
breeds
b)
varieties
c)
mutts
d)
species
41.
Bred plants are called _________
a)
breeds
b)
varieties
c)
mutts
d)
species
42.
There are ______ Fingers or pieces of Evidence for Evolution.
a)
3
b)
5
c)
7
d)
9
43.
The English Pepper Moth example from class showcased how organisms can ______ to their surroundings.
a)
adapt
b)
mutate
c)
survive
d)
ignore
44.
The complementary strand of DNA for TAG GCT AGG is
a)
ATC CGA TCC
b)
ATT GGT ATG
c)
TAG TAT TAG
d)
TAT TAG GIG
45.
The complementary strand of DNA for TAG ATT CGG is
a)
ATC TAA GCC
b)
GAG GAG GAG
c)
ATT TAT CGA
d)
GTA CIG GIG
46.
Humans share about 98% of their DNA with
a)
chimpanzees
b)
whales
c)
wolves
d)
bananas
47.
Which of the following is NOT a way mutations can occur?
a)
inherited from parents
b)
exposure to radiation
c)
exposure to chemicals or hazardous waste
d)
the mutant gene
48.
Which of the following mutations would be considered beneficial?
a)
increased bone density
b)
an extra leg
c)
Progeria
d)
Marfan Syndrome
49.
Which of the following would be considered a negative or harmful mutation?
a)
albino frog in a rainforest
b)
brightly colored feathers in a rainforest
c)
resistance to malaria
d)
stronger claws
50.
Which of the following is the correct pairing of the 2 types of physical adaptations?
a)
specific body parts and body coverings
b)
body parts and colorings
c)
behaviors and coverings
d)
actions and words
Reset
