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WorksheetsChapter 3- Heredity Review
Total questions: 39
Worksheet time: 21mins
Name
Class
Date
1.
The genetic make-up (alleles)
a)
phenotype
b)
physicatype
c)
hybrid
d)
genotype
2.
Identical Alleles- Ex./ rr
a)
Homozygous
b)
Heterozygous
c)
Dominant allele
d)
Hybrid
3.
Two mice heterozygous for red eyes mate. What is the expected genotypic ratio of their offspring?
a)
1 RR: 1 Rr: 1 rr
b)
0 RR: 4 Rr: 0 rr
c)
1 RR: 2 Rr: 1 rr
d)
1 RR: 1 Rr
4.
A red flowered plant (FRFR) breeds with a White flowered plant (FWFW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink flowers?
a)
0%
b)
25%
c)
50%
d)
100%
5.
In this diagram, the phenotypes are....
a)
green and yellow
b)
only green
c)
Gg, GG, gg
d)
not enough information
6.
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%
7.
The passing of traits from parents to offspring
a)
recessive allele
b)
traits
c)
heredity
d)
probability
8.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
9.
Sperm and egg join together
a)
fermentation
b)
respiration
c)
asexual reproduction
d)
fertilization
10.
Each specific characteristic; Ex./hair color
a)
trait
b)
genetics
c)
probability
d)
dominant allele
11.
Different Alleles- Ex./ Rr
a)
Homozygous
b)
Recessive Traits
c)
Hybrid
d)
Purebred
12.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
13.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
14.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
15.
an organism's appearance or other physical characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
16.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
17.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
18.
Traits that are passed from parents to their offspring are
a)
Acquired traits
b)
Learned Traits
c)
Inherited Traits
d)
Genes
19.
What type of trait is gained by new experiences in the world?
a)
acquired trait
b)
inherited trait
c)
chromosome
d)
gene
20.
The shape of your nose is which type of trait?
a)
acquired trait
b)
inherited trait
21.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
22.
He is known as the father of modern day genetics.
a)
Gregory Maxim
b)
Grant Mendel
c)
Gregor Mendel
d)
Grace Mendel
23.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
24.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
25.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
26.
AA and Aa always show up as
a)
dominant
b)
recessive
27.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
28.
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
29.
______________________ is the mathematical chance that something will happen
a)
division
b)
selective breeding
c)
ratio
d)
probability
30.
For these imaginary fish, what would be possible offspring if they are codominant?
a)
all blue
b)
all yellow
c)
all green
d)
blue with yellow stripes
31.
Which is a true statements about this picture?
a)
Brown is recessive
b)
Brown is dominant
c)
Blue is dominant
d)
Blue is codominant
32.
What are the possible phenotypes in this cross?
a)
Bb, bb, BB
b)
purple, white
c)
Bb, bb
d)
light purple
33.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
34.
To be a yellow seed genotype must be
a)
aa
b)
Aa
c)
AA
d)
AA or Aa
35.
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%
36.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
37.
A red eyed male fruit fly is crossed with a heterozygous red eyed female fruit fly.
What fraction of the offspring would be expected to have red eyes?
What fraction of the offspring would be expected to have red eyes?
a)
1/2
b)
1/4
c)
3/4
d)
none
38.
Sperm and eggs are known as
a)
sex cells
b)
sex chromosomes
c)
sex genes
d)
true-breeding factors
39.
If a Homozygous red snapdragon and a Heterozygous pink snapdragon were crossed - what percentage of the offspring would be homozygous white?
a)
0%
b)
25%
c)
50%
d)
75%
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