WorksheetsGenetics by Baumann
Total questions: 35
Worksheet time: 40mins
Name
Class
Date
1.
B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
2.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
3.
Evan is a tall, 12 year old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?
a)
height
b)
the scar
c)
his intelligence
d)
ability to play drums
4.
Where is DNA in a eukaryotic cell?
a)
Cytoplasm
b)
Cell membrane
c)
Nucleus
d)
Vacuole
5.
Which of the following best describes a DNA molecule?
a)
double helix
b)
not present in plants
c)
found in non-living things
d)
DNA is an element on the periodic table
6.
In a heterozygous/hybrid genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
7.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
green
8.
T = tall an t = short
TT and Tt would result in the following phenotype
TT and Tt would result in the following phenotype
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
9.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
10.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
11.
What is the cause of some traits "skipping" a generation?
a)
dominant traits
b)
recessive traits
c)
mutations
d)
natural selection
12.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Justin Bieber
13.
The scientific study of heredity is ____.
a)
Genetics
b)
Punnett squares
c)
Inheritance
d)
Biology
14.
If one stronger trait "covers" up another weaker trait, the trait that covers the other is said to be:
a)
Dominant
b)
Heterozygous
c)
Recessive
d)
Hidden
15.
The purpose of selective breeding is to
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
16.
Some traits are inherited, some traits are acquired.
Language is an
Language is an
a)
inherited trait
b)
acquired trait
17.
Some traits are inherited, some traits are acquired.
tongue rolling is
tongue rolling is
a)
inherited trait
b)
acquired trait
18.
Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
a)
Light moths were easy to see against sooty trees and were eaten
b)
Light moths were killed by soot
c)
The birds that ate the dark moths were killed by soot
d)
Dark moths were produced by industrial processes
19.
The image you see is a mammoth. Which trait most suggests that the mammoth was adapted to live in a cold climate?
a)
its thick, furry coat
b)
its long, flexible trunk
c)
its sharp, curved tusks
d)
its broad, powerful body
20.
The monarch butterfly responds to seasonal changes by traveling far distances. This adaptation is known as:
a)
Migration
b)
Hibernation
c)
Physiological change
d)
Natural Selection
21.
Which of the following statements best describes how diverse offspring benefits an organism?
a)
It guarantees that the organism will survive
b)
It increases an organism's chances of survival
c)
It guarantees that an organism will have a stout beak
d)
It increases an organism's chance of becoming extinct
22.
natural differences in an inherited trait
a)
Asexual
b)
Uniform
c)
Variation
d)
Overproduction
23.
organisms with similar traits, and number of chromosomes, that are able to reproduce with each other and have fertile offspring
a)
Species
b)
Fitness
c)
Family
d)
Trait
24.
when all members of a species have died
a)
Extinction
b)
Evolution
c)
Mutation
d)
Variation
25.
a new organism (seed, puppy, spore, kitten) produced by reproduction of a living thing
a)
Theory
b)
Diversity
c)
Offspring
d)
Species
26.
organisms that are better adapted (more fit) to their environment survive and reproduce more successfully than organisms that are less adapted to their environment
a)
Extinction
b)
Artificial Selection
c)
Variation
d)
Natural Selection
27.
parents produce more offspring than can possibly survive
a)
Evolution
b)
Variation
c)
Overproduction
d)
Extinction
28.
the process by which populations change over time
a)
Extinction
b)
Evolution
c)
Population
d)
Mutation
29.
Having two of the same genes for the trait (TT, tt); Both dominant or both recessive.
a)
homozygous or purebred
b)
heterozygous or hybrid
c)
twin offspring
d)
pairs of chromosomes
30.
What characteristic would a child NOT inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
31.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
32.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
33.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
34.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
35.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
100 %
