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Duplicate of Genetics Review Flashcards | StudBud
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Duplicate of Genetics Review
Duplicate of Genetics Review
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#Unit3 #genetics
Flashcards
24 cards
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Questions
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Answers
1
1. Which of the following statements about pedigrees is true?
Pedigrees can only be used to trace dominant traits.
Boxes represent males and circles represent females.
Shaded shapes represent people who do NOT have a trait.
Pedigrees show the allele combinations that are possible
2
According to the diagram, how long did whales and pigs have a common ancestor?
About 55 million years
about 65 million years
about 45 million years
About 15 million years
3
What are structures that carry information for traits?
the skin
the nerves
the genes
the cytoplasm
4
What Darwin referred to as "survival of the fittest?
Artificial selection
Specification
Adaptation
Natural Selection
5
Evolution is a process by which organisms change over time as a result of heritable traits
True
False
6
The ____ record provides evidence for evolution.
fossil
none of the above
genetic
embryological
7
Which of these choices would help determine potential combinations of traits inherited?
an allele
a carrier
a Punnett square
a pedigree
8
Which statement best describes dinosaurs?
Dinosaurs evolved into other animals during the Cenozoic
Dino died bc natural causes/mass extinction during Paleozoic
Dinosaurs died out bc of mass extinction end of the Mesozoic
Dinosaurs died b/c of natural causes during the Paleozoic
9
Which of these statements best describes what Charles Darwin observed on the Galápagos Islands?
The finch population on each island was unique
The birds on islands were the same as the ones on mainland
The finches on the islands ate seeds and nutsbut no insects.
They could produce offspring with finches from other islands
10
Which of these are characteristics of inherited traits?
becoming an experienced writer
having green eyes and brown hair
mastering multiplication tables
ability to speak in front of a crowd
11
Which of these is the correct definition for a gene?
a string of mitochondrial DNA
a hereditary unit consisting of a sequence of DNA
a single celled organism
non-hereditary traits such as learned behaviors
12
Which of these descriptions is an example of an unused body structure?
A bat’s wing that enables it to fly
The tentacles of an octopus that aid it in movement
The tiny leg bones found in snakes that have no legs
The front legs of a dog that supports its weight as it walks
13
Which of these is NOT an inherited behavior?
a horse pulling a plow
a bird building a nest
a bear hibernating in winter
a turtle burying its eggs
14
Which two animals have the most genes in common?
horse and giraffe
worm and snake
hawk and goldfish
poodle and husky
15
Which statement best describes how natural selection resulted in the four types of finches?
The finches did not evolve
Narrow beaks became extinct
Beak shapes and sizes evolved accommodating the type of food
Broad beaks became extinct
16
Any inherited characteristic that increases an organism's chance of survival.
Inherited trait
Adaptation
17
Any change in genetic material is known as a(n) ________
Resource
Adaptation
Mutation
Translation
18
What is a genetic variation?
A naturally occurring difference among the same species
A process in which humans control genes that are inherited
An inherited trait that helps a species survive
A trait that cause an extinction
19
A panther cub inherits all of the following except:
the color of its fur
the length of its tail
its head shape
its liking for a certain food
20
Think of a Mammoth. Which trait suggests that the mammoth was adapted to live in a cold climat
its sharp, curved tusks
its long, flexible trunk
its thick, furry coat
its broad, powerful body
21
There are common features in the bone structure of vertebrate despite their varied use.
True
False
22
Which of these is most likely inherited by flowering plants?
the ability to produce cones
the ability to produce seeds
grow upward
forming different shapes when trimmed
23
What is the probability that the offspring will inherit the genotype aa?
25%
75%
0%
50%
24
Which of these organisms is most closely related to whales?
hippopotamus
pig
camel
bison
