Quiz about Unit 4 Genetics Review

Question 1

A large category of classification made up of animals, plants fungi, and protists.

Accepted Answer

Kingdom

Answer

Genus

Answer

Domain

Answer

Species

Question 2

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

Accepted Answer

Spruce

Answer

Juniper

Answer

Pine

Answer

Fir

Question 3

A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?

Accepted Answer

Presence of antennae

Answer

Jointed legs

Answer

Body segments

Answer

Presence of eyes

Question 4

A student discovers an arachnid without a segmented abdomen, and legs longer than its body. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

Accepted Answer

Daddy long legs

Answer

Whip Scorpion

Answer

Wind Scorpion

Answer

Scorpion

Question 5

Which shark is the picture of?

Accepted Answer

Great White Shark

Answer

Cow Shark

Answer

Hammerhead Shark

Answer

Saw Shark

Question 6

An unicellular organism that lacks a nucleus and membrane bound organelles like bacteria:

Accepted Answer

Prokaryote

Answer

Eukaryote

Answer

Plant

Answer

Animal

Answer

Fungi

Question 7

Organisms that are mostly unicellular (single-celled) that live in aquatic environments like euglena, algae, and amoeba (also known as the "junk drawer" of Eukaryotes that don't fit anywhere else):

Accepted Answer

Protists

Answer

Fungi

Answer

Animals

Answer

Plants

Question 8

An organism made of many cells and usually green in color that produces its own food through photosynthesis is:

Accepted Answer

Plant

Answer

Animal

Answer

Fungi

Answer

Bacteria

Answer

Protist

Question 9

Organisms that do not move, reproduce by using spores, and get food by breaking down dead things:

Accepted Answer

Fungi

Answer

Plant

Answer

Animal

Answer

Bacteria

Answer

Protist

Question 10

Which organism is made of many cells, feeds for energy, and can move during at least part of its life?

Accepted Answer

Animal

Answer

Plant

Answer

Fungi

Answer

Protist

Answer

Bacteria

Question 11

___________ reproduction has the advantage of increasing genetic variation.

Accepted Answer

Sexual

Answer

Asexual

Answer

Fission

Answer

Budding

Question 12

The organism produced during reproduction is called a(n) _____________.

Accepted Answer

offspring

Answer

child

Answer

growth

Answer

baby

Question 13

Which is a disadvantage for asexual reproduction?

Accepted Answer

Less genetic variation (offspring are clones)

Answer

No need for a mate

Answer

Requires very little time and energy

Answer

Produces more offspring

Question 14

Which is (are) homozygous?

Accepted Answer

TT

Accepted Answer

tt

Accepted Answer

GG

Answer

Tt

Answer

Gg

Question 15

Which is (are) heterozygous?

Accepted Answer

Tt

Accepted Answer

Gg

Answer

TT

Answer

tt

Answer

GG

Question 16

What percent of the offspring here will be yellow?

Accepted Answer

50%

Answer

25%

Answer

75%

Answer

100%

Question 17

T - tall and t = short
In the punnett square below, what belongs in the missing square

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 18

G = green, g = yellow
The genotype for a yellow plant is...

Accepted Answer

gg

Answer

GG

Answer

Gg

Answer

all of the choices result in yellow

Question 19

Which of the following are PHENOTYPES?

Accepted Answer

black fur

Accepted Answer

purple eyes

Accepted Answer

green skin

Answer

Aa

Answer

homozygous recessive

Question 20

Which of the following represents alleles for the homozygous recessive genotype?

Accepted Answer

aa

Answer

Aa

Answer

AA

Question 21

What allele combination should go in the missing box?

Accepted Answer

Aa

Answer

AA

Answer

aa

Answer

none of these

Question 22

What is the phenotype of the offspring? (A-Brown hair; a-blond hair)

Accepted Answer

75 % Brown Hair and 25% Blond Hair

Answer

50 % Brown Hair and 50% Blond Hair

Answer

25 % Brown Hair and 75% Blond Hair

Answer

0% Brown Hair and 100% Blond Hair

Question 23

Horseshoe crabs have not changed for many generations because

Accepted Answer

the environment they live in changed very little.

Answer

the environment has changed too quickly.

Answer

they are super heroes.

Question 24

What evidence exists for Darwin's theory?

Accepted Answer

All 3 of these types of evidence

Answer

Fossil record

Answer

Comparisons of similar anatomy between species

Answer

DNA Evidence

Question 25

Natural selection leads to

Accepted Answer

populations becoming better adapted over many generations.

Answer

individuals changing to adapt to environment.

Answer

almost nothing going extinct.

Question 26

Process by which individuals that are better suited to their environment survive and reproduce most successfully; is called

Accepted Answer

Natural Selection

Answer

Extinction

Answer

Competition

Answer

Artificial Selection

Question 27

What is the theory of natural selection?

Accepted Answer

individuals that are better adapted to their environment are more likely to survive and reproduce

Answer

The practice by which humans select plants or animals for breeding based on desired traits.

Answer

An inherited trait that helps an organism to survive.

Answer

Differences in traits

Question 28

When all of the organisms of a species have died it is called

Accepted Answer

Extinction

Answer

evolution

Answer

adaptation

Answer

Natural Selection

Question 29

Why is the mouse population changing over time?

Accepted Answer

The hawks eat more light mice than dark mice because they can see the light mice more easily

Answer

The light mice can reproduce more successfully than the dark mice

Answer

The hawks eat more dark mice than light mice because the dark mice taste better

Answer

The hawks eat more dark mice than light mice because they can see the dark mice more easily

Question 30

Which of the following base pairings is correct?

Accepted Answer

A-T, C-G

Answer

T-T, C-A

Answer

A-T, C-C

Answer

C-G, C-C

Question 31

The directions to build the different proteins for living things can be found in their...

(select 3 answers)

Accepted Answer

DNA

Accepted Answer

Genes

Accepted Answer

Chromosomes

Answer

Ribosomes

Answer

Cytoplasm

Question 32

What is the advantage of having different shaped beaks?

Accepted Answer

To be able to eat the food readily available in the environment.

Answer

To look different from other species.

Answer

To protect itself against predators.

Answer

To protect itself against prey.

Question 33

Genetic _________________ allow some organisms to be better adapted to the environment.

Accepted Answer

variations

Answer

domination

Answer

repeats

Answer

weakness

Question 34

How do fossils provide evidence that evolution has happened on Earth?

Accepted Answer

Fossils show how life forms present today are different than those from the past

Answer

Fossils show how the sizes of certain animals has changed drastically over millions of years

Answer

Fossils show that some species have gone extinct

Answer

Different sedimentary rock layers provide evidence for how the environment has changed over time

Question 35

What does the picture suggest?

Accepted Answer

The modern horse is related to extinct species

Answer

Horses appeared up to a million years ago and did not have any ancestors before that time

Answer

Between 55 and 50 million years ago there weren't any animals that could be considered related to horses

Answer

The hyracotherium is the same species as the modern horse

Question 36

The bones in the figure above are-

Accepted Answer

Evidence of a common ancestor

Answer

Evidence that animals can walk

Answer

Evidence that fossils are old

Answer

Evidence of nothing

Question 37

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

Accepted Answer

TAC ACT GTC

Answer

ATG TGA CAG

Answer

GTA AGT GAC

Answer

CAT TCA CTG

Question 38

Given the DNA strand:

TTA CGG

What would be the matching or complementary strand on the other side?

Accepted Answer

AAT GCC

Answer

TTA CGG

Answer

TTA GCC

Answer

AAT CCC

Question 39

The Fennec Fox lives in an extremely hot/dry climate while the Arctic Fox lives a much colder climate. Which adaptations best reflect the differences in climates these foxes live in?

Accepted Answer

Arctic foxes have much thicker fur than Fennec foxes

Answer

both foxes are opportunistic omnivores eating and scavenging whatever they can find

Answer

Fennec foxes have sandy colored fur while the fur of Arctic foxes will change with the seasons

Answer

in both species the male and female will help raise the pups/young

Question 40

What can we best learn by examining the skeletons present whales and comparing them with their fossil record?

(select 2 answers)

Accepted Answer

how whales changed over time

Accepted Answer

some ancestor species of whales were able to live on land or both land and water

Answer

how many common ancestors they have

Answer

whales and all of their ancestor species have always been aquatic (lived in water)

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