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Gigantic Genetics I Review

Total questions: 60

Worksheet time: 3hrs 0mins

Name
Class
Date
1.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
2.
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
3.
one set of instructions for an inherited trait; a segment of DNA that codes for a trait
a)
heredity
b)
allele
c)
trait
d)
gene
4.
an organism's physical appearance
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
5.
genetic makeup or allele combination
a)
phenotype
b)
genotype
c)
heterzygous
d)
allele
6.
alternative forms of a gene 
a)
allele
b)
gene
c)
trait
d)
DNA
7.
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
8.
the chances of something happening
a)
dominant
b)
genotype
c)
phenotype
d)
probability
9.
having two of the same alleles for the trait
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
10.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
11.
Another name for homozygous.
a)
purebred
b)
hybrid
c)
homologous
d)
heterozygous
12.
A single piece of coiled DNA found in the cells (tightly wound DNA)
a)
gene
b)
chromosome
c)
trait
d)
DNA
13.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
14.
having two different alleles for a trait 
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
15.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus. (instructions that code for our genes)
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
16.
Another name for heterozygous
a)
purebred
b)
hybrid
c)
homologous
d)
homozygous
17.
Study of heredity
a)
Biology
b)
Chromosomes
c)
Genetics
d)
Traits
18.
A chart that shows all possible outcomes from a genetic cross
a)
probability
b)
Punnett square
c)
pedigree
d)
phenotype
19.

Which of the following is a homozygous genotype? (Select ALL that apply)

a)

AA

b)

Aa

c)

aa

20.

Which of the following is a heterozygous genotype? (Select ALL that apply)

a)

AA

b)

Aa

c)

aa

21.

What is another term for homozygous? (Select ALL that apply)

a)

Purebred

b)

Hybrid

c)

True breeding

22.

What is another term for heterozygous? (Select ALL that apply)

a)

Purebred

b)

Hybrid

c)

True breeding

23.

In monsters, blue hair is dominant to green hair. Which genotype(s) will produce blue hair? (Select ALL that apply)

a)

BB

b)

Bb

c)

bb

24.

In monsters, blue hair is dominant to green hair. Which genotype(s) will produce green hair? (Select ALL that apply)

a)

AA

b)

Aa

c)

aa

25.

Which of the following is a hybrid genotype? (Select ALL that apply)

a)

AA

b)

Aa

c)

aa

26.

Which of the following is a purebred genotype? (Select ALL that apply)

a)

AA

b)

Aa

c)

aa

27.

In hinkypunks (a made-up creature), having 4 tentacles are dominant over 5 tentacles. Which genotype(s) would produce a hinkypunk with 4 tentacles? (Select ALL that apply)

a)

HH

b)

Hh

c)

hh

28.

In hinkypunks (a made-up creature), having 4 tentacles are dominant over 5 tentacles. Which genotype(s) would produce a hinkypunk with 5 tentacles? (Select ALL that apply)

a)

HH

b)

Hh

c)

hh

29.

Having a widow's peak is dominant over a straight hairline. If a person has a widow's peak, which of the following could be their genotype? (Select ALL that apply)

a)

WW

b)

Ww

c)

ww

30.

Having a widow's peak is dominant over a straight hairline. If a person has a straight hairline, which of the following could be their genotype? (Select ALL that apply)

a)

WW

b)

Ww

c)

ww

31.

Which of the following is a true-breeding genotype? (Select ALL that apply)

a)

QQ

b)

Qq

c)

qq

32.

Which of the following is a homozygous dominant genotype? (Select ALL that apply)

a)

RR

b)

Rr

c)

rr

33.

Which of the following is a homozygous recessive genotype? (Select ALL that apply)

a)

RR

b)

Rr

c)

rr

34.
An organism’s genetic makeup or allele combination.
a)
Genotype
b)
Phenotype
c)
Beanotype
d)
Notype
35.
Look at the Punnett Square. What's the probability of having the recessive offspring?
a)
100%
b)
75%
c)
50%
d)
25%
36.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
37.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
38.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
39.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
40.
In the punnett square shown, what is the genotypes of the two parents?
a)
RW and RR
b)
RW and WW
c)
RR and WW
d)
RW and RR
41.
Which of the following is a phenotype?
a)
Aa
b)
black hair
c)
heterozygous genes
d)
mutated DNA
42.
In the Punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
43.

B - black, b - brown. Two black mice mate and have some black and some brown mice. Which is genotype crosses of the parents could produce these results? (Select all that apply.)

a)

BB x Bb

b)

BB x bb

c)

Bb x Bb

d)

Bb x bb

44.
What are the possible genotypes for this cross?
(Click the picture to see it without the text)
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
45.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a)
25%
b)
0%
c)
100%
d)
50%
46.
B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur
a)
0%
b)
25%
c)
50%
d)
75%
47.
Purple (P) is dominant to the white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
48.
What is the yellow seed genotype?
a)
aa
b)
Aa
c)
AA
d)
AA or Aa
49.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
50.
What does a Punnett Square do?
a)
tell you exactly what your offspring will look like
b)
increase the chance you pass on recessive traits
c)
predict genotypes and phenotypes in offspring
d)
have no purpose but for Taylor to give us extra assignments
51.
What genotype would go in box 2?
a)
BB
b)
Bb
c)
bb
52.
What genotype would go in box 3?
a)
BB
b)
Bb
c)
bb
53.
What genotype would go in box 1?
a)
BB
b)
Bb
c)
bb
54.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
55.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
56.

A pet store owner has a high demand for white rabbits. If white is recessive to brown fur, which genetic cross between two parents would produce the most white offspring?

a)

BB x Bb

b)

Bb x Bb

c)

BB x bb

d)

bb x bb

57.

Charlotte and Charlie (a spider couple) recently had a hatching of eggs. In their hatching, 160 of their children had black eyes while 142 had red eyes. If black eyes are dominant to red eyes in spiders, then what are the most probable genotypes of Charlotte and Charlie?

a)

BB x BB

b)

BB x Bb

c)

Bb x Bb

d)

Bb x bb

58.

Billy has 3 sisters: Barbara, Bonnie, and Beverly. Billy swears that he was switched at the hospital, because he is the only person in his family (including his parents) with blue eyes. Billy's parents assured him that he was in fact their son using a Punnett square. Which genotypes would the parents have used in their Punnett square to reassure Billy? (Brown eyes are dominant to blue eyes.)

a)

BB x Bb

b)

Bb x Bb

c)

bb x bb

d)

BB x bb

59.

Professor Sprout is harvesting mandrake root. In mandrakes, having 6 leaves is dominant to having 3 leaves. In her most recent harvest, 19 of the plants had 6 leaves and the remaining 7 plants were 3-leaved. What were the genotypes of the first generation of plants?

a)

Ss x Ss

b)

SS x Ss

c)

ss x ss

d)

SS x ss

60.

A group of students are having a lively debate about the relationships between genes, allele, chromosomes and DNA. Which student below has the best argument?

a)

Jim says that chromosomes are found on DNA and that genes are the different forms of an allele.

b)

Justin says that genes are found on chromosomes and that alleles are the different forms of DNA.

c)

June says that genes are a section of DNA, and that multiple genes are found on a chromosome. She also stated that alleles are the different forms of genes.

d)

Jean says that alleles are a section of chromosome, and that multiple alleles are found on a gene. She also stated that chromosomes are the different forms of DNA.