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WorksheetsHeredity and Reproduction
Total questions: 50
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
Cells of organism must replicate for ?
a)
growth
b)
repair of damaged cells
c)
replacement of dying cells.
d)
All of the above
2.
The purpose of meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
3.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
r identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
4.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
5.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
6.
The scientific study of heredity
a)
Genetics
b)
Allele
c)
Dominant
d)
Biology
7.
What type or asexual reproduction is being shown?
a)
budding
b)
spore formation
c)
vegetative propagation
d)
binary fission
8.
What type of asexual reproduction is being shown?
a)
budding
b)
binary fission
c)
sporulation
d)
regeneration
9.
What does heredity mean?
a)
DNA being passed down from one generation to the next.
b)
Passing down acquired characteristics to your offspring.
c)
Leaving money in a will to your children
d)
all DNA is kept in the nucleus
10.
Where is all the genetic material inside a cell?
a)
nucleus
b)
vacuole
c)
cell membrane
d)
ribosome
11.
What is a gene?
a)
An entire chromosome that codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
12.
The mathematical chance that something will happen is known as...
a)
chance
b)
luck
c)
probability
13.
A couple has 6 children, all girls. If the mother gives birth to a 7th child, what is the probability that the seventh child will be a girl?
a)
7 out of 7
b)
6 out of 7
c)
1 out of 2
d)
1 out of 7
14.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
15.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
16.
If a child has red hair, they inherited a certain _______________ from their parents.
a)
ratio
b)
trait
c)
probability
d)
sex chromosome
17.
When humans breed purebred dogs to look a certain way and have traits that they like, this is an example of ___________________________
a)
Probably Breeding
b)
Sectional Breeding
c)
Selective Breeding
d)
Suspended Breeding
18.
Which human trait is most likely inherited from a parent?
a)
learning to ride a bike
b)
holding a spoon
c)
reading a book
d)
height
19.
A deer inherits some of its features from its parents. Other features come from its environment. Which feature would a deer most likely inherit from its parents?
a)
a long scar
b)
brown eyes
c)
missing teeth
d)
a broken antler
20.
The exact genetic information carried by a single individual is called?
a)
Genes
b)
Recessive
c)
Phenotype
d)
Genotype
21.
An allele that is always expressed
a)
Dominant
b)
DNA
c)
Nucleus
d)
Trait
22.
Who is called the "Father of Genetics"; because he hypothesized that organisms inherit two forms of a trait (one from each parent) and that traits can be dominant and recessive.
a)
Robert Hooke
b)
Charles Darwin
c)
Gregor Mendel
d)
James Watson
23.
The time between cell divisions in the life cycle of the cell is called
a)
anaphase
b)
interphase
c)
prophase
d)
metaphase
24.
How many cells are created at the end of Mitosis?
a)
1 diploid cell
b)
2 diploid cells
c)
3 diploid cells
d)
4 diploid cells
25.
A cat has a total of 38 chromosomes in its body cells. How many in its sex cells?
a)
38
b)
19
c)
76
d)
10
26.
Which of these cells would undergo meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
27.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
28.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
29.
Are recessive traits shown with capital or lowercase letters?
a)
Capital
b)
Lowercase
30.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
31.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
32.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Pedigree
33.
If you were homozygous recessive for a trait, how would you write the genotype?
a)
Bb
b)
bb
c)
BB
d)
none of the above
34.
What determines the types of traits a person will have?
a)
Genes
b)
recessive genotypes
c)
Aa
d)
phenotype
35.
What does a Punnett Square help you do?
a)
Determine the ratio of phenotypes
b)
Determine the ratio of genotypes
c)
Predict possible traits the offspring will have
d)
All of the above
36.
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
37.
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
38.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
39.
B = brown fur b = white fur
In the punnett square, what is the probability for white fur?
In the punnett square, what is the probability for white fur?
a)
0%
b)
25%
c)
50%
d)
75%
40.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
41.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
42.
All of the following statements are true of a DNA molecule except that it-
a)
is made up of lipids.
b)
contains nucleotides.
c)
stores genetic information.
d)
duplicates itself.
43.
Which statement best describes the functions of DNA?
a)
DNA serves as a long-term source of energy.
b)
DNA stores, copies, and transmits information.
c)
DNA provides structural support inside the cell.
d)
No other answer is correct.
44.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
45.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
46.
What part of the cell cycle is the DNA in a cell's nucleus replication?
a)
Prophase
b)
Metaphase
c)
Interphase
d)
Telophase
47.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
48.
What has DNA?
a)
animals
b)
plants
c)
bacteria
d)
all of the above
49.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
50.
Where does a cell contain it's genetic material?
a)
nucleus
b)
nucleolus
c)
cytoskeleton
d)
golgi
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