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Heredity Test Review-2018
Test Description: Test review for heredity and genetics test.
Instructions: Answer all questions to get your test result.
1) The chromosomes in the nucleus of a cell contain a code known as ____.
A
meiosis
B
RNA
C
mitosis
D
DNA
2) In a Punnett square, a capital letter stands for a ____ allele.
A
recessive
B
co-dominant
C
dominant
D
random
3) For fur color brown “B” is dominant over white fur “b”. You have two white rabbits and you decide to breed them. What percentage of the offspring can you expect to be white.
A
50%
B
100%
C
75%
D
0%
4) Most cats have 5 toes on each foot, but every once in a while a kitten will be born with 6 toes on each foot. Other kittens in the same litter have only 5 toes on each foot. Differences in which of these is most likely to cause 6 toes in cats?
A
food
B
genetic material
C
water
D
nesting sight
5) Which of these describes a mutation?
A
the development of an organism throughout its life
B
the passing of genetic traits
C
chromosomes copied correctly
D
a change in genetic material by radiation or chemicals
6) Your genetic information is given to you from your family. Where can you can find that information in your body?
A
inside your nucleus
B
on your chromosomes
C
in your genes
D
all of the above
7) List the following terms from the smallest level of organization to the largest level of organization: chromosome, DNA, gene, nitrogen base, nucleus.
A
Chromosome, DNA, gene, nitrogen base, nucleus
B
Nitrogen base, DNA, gene, chromosome, nucleus
C
Nucleus, DNA, nitrogen base, gene, chromosome
D
DNA, nitrogen base, gene, chromosome, nucleus
8) These letters represent the nitrogen bases on one strand of DNA: GGCTATCCA. What letters would form the other strand of the helix? Remember which base pairs go together... (Apple to .....)
A
ACCTATCGG
B
TTAGCGAAC
C
CCGATAGGT
D
TGGATAGCC
9) The passing of traits from generation to generation is known as ____________.
A
mutations
B
chromosomes
C
heredity
D
genetics
10) Which combination of terms best describes sexual reproduction?
A
Multiple parents; genetically diverse offspring
B
Multiple parents; genetically identical offspring
C
One parent; genetically identical offspring
D
One parent; genetically diverse offspring
11) I'm modeling sexual reproduction. I put red and black beads to represent the alleles of each parent in separate bags. What procedure best describes what I should do next?
A
Look in the first bad and withdraw a black bead. Then, look in the second back and withdraw a black bead.
B
Without looking in either bag, withdraw a bead from the first bag and drop it in the second. Then, withdraw two beads.
C
Without looking, withdraw a bead from the first bag. Then, without looking, withdraw a bead from the second bag.
D
Without looking, they withdraw a bead from the first bag. Then, look in the second bag and withdraw the same color.
12) Which of these occurs in sexual reproduction but not asexual reproduction?
A
genes carry genetic information
B
cells from two different organisms combine
C
an offspring is made of cells
D
an offspring inherits a set of traits
13) Which parent determines the sex of a baby.
A
father
B
they take turns
C
mother
14) What are the chances of having a boy for any set of parents?
A
100%
B
25%
C
50%
D
0%
15) Each box in a punnett square equals the probability of how much?
A
25%
B
0%
C
100%
D
50%
16) During asexual reproduction in a paramecia, a single paramecium becomes two new paramecia. The genetic material of the new paramecia is usually --
A
nothing like the original
B
double the amount of the original
C
half the amount of the original
D
identical to the original
17) Which of the following is an inherited trait?
A
favorite food
B
love of classical music
C
natural hair color
D
ability to play the saxophone
18) Which shows an example of a homozygous dominant genotype?
A
BB
B
Brown
C
bb
D
Bb
19) A punnett square shows the different ways that ____________ can combine.
A
mitosis cells
B
colors
C
eggs
D
alleles
20) When a human sperm and an egg combine they create a cell that has a total of ______ pairs of chromosomes in it
A
28
B
46
C
23
D
45
*select an answer for all questions
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