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Heredity Review

Total questions: 36

Worksheet time: 36mins

Name
Class
Date
1.
Which of the following genotypes is homozygous dominant?
a)
BB
b)
bb
c)
Bb
d)
green eyes
2.
What is the definition of a phenotype?
a)
letter combination
b)
physical characteristic
3.
Which of the following genotypes is heterozygous?
a)
AA
b)
Aa
c)
aa
4.
What organism did Gregor Mendel study?
a)
Flowers
b)
Bacteria
c)
Humans
d)
Pea Plants
5.
How many chromosomes are found in human body cells?
a)
0
b)
23
c)
46
d)
50
6.
How many chromosomes are found in human sex cells?
a)
0
b)
23
c)
46
d)
50
7.
If the offspring is genetically identical to it's parent, what type of reproduction occurred?
a)
Asexual Reproduction
b)
Sexual Reproduction
8.
Genetic variation is most likely to result from what type of reproduction?
a)
Asexual Reproduction
b)
Sexual Reproduction
9.

Who is Gregor Mendel

a)

an Austrian Monk from the mid 1800s who contributed to the study of Genetics

b)

The scientist who discovered the structure of DNA

c)

a British scientist who discovered penicillin

d)

The scientist who used X-Ray Crystallography to shed light on the structure of DNA

10.

What specifically about Pea Plants did Mendel Study?

a)

Color of Pea Flower

b)

Colors of individual Peas

c)

Texture of Peas

d)

All of these

11.

Which of the following is heterozygous?

a)

MM

b)

Mm

c)

mm

12.

Which of the following is homozygous dominant?

a)

RR

b)

Rr

c)

rr

13.

Which of the following is homozygous recessive?

a)

PP

b)

Pp

c)

pp

14.

What term denotes the physical expression of a gene?

a)

genotype

b)

phenotype

c)

appearance

d)

homologous

15.

Which term denotes the combination of genes an organism has?

a)

genotpye

b)

phenotype

c)

heterozygous

d)

homozygous

16.

Which term refers to the allele that shows up in the phenotype of a heterozygous genotpye?

a)

invasive

b)

recessive

c)

dominant

d)

passive

17.

Which of these genotypes would most likely be used to represent the dominant for pea plant height?

a)

TT

b)

tt

c)

PP

d)

pp

18.

Which of the following would produce a recessive phenotype?

a)

hh

b)

Rr

c)

Ww

d)

BB

19.

Which of the these is homozygous?

a)

gg

b)

Yy

c)

Nn

d)

Ee

20.

If Y (yellow) is the dominant allele for pea plant seed color, which of the following would produce green seeds?

a)

yy

b)

Yy

c)

YY

d)

gg

21.
Gregor Mendel is known as the father of _________
a)
Modern Medicine
b)
Father of the Green Revolution
c)
Father of Genetics
d)
The Pea Plant Man
22.
What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?
a)
Genesis
b)
Elective traits
c)
Alleles
d)
Quadrants
23.
What do we call the result of the genotype (for example, the color of the peas)?
a)
Visible traits
b)
Physiotrait
c)
Genotype 2
d)
Phenotype
24.
What do we call the table used to calculate the probability of an offspring's genotype?
a)
Punnett square
b)
Venn diagram
c)
Golden ratio
d)
Fibonacci sequence
25.
This phenotype is more likely to be prominent in offspring
a)
Genotype
b)
Dominant genotype
c)
Recessive Phenotype
d)
monotypes
26.
This type of phenotype is less likely to be prominent (to show up) in offspring
a)
Dominant genotype
b)
Recessive genotype
c)
Dominant phenotype
d)
Recessive phenotype
27.
Before Mendel how did people think you got your traits
a)
equal from each parent
b)
more from the dad
c)
more from the mom
d)
from a stork
28.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
29.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
30.
Which of the following terms refers to the different possibilities of a gene?
a)
chromosome
b)
DNA
c)
Punnett Squares
d)
allele
31.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
32.
 Dominant alleles are-
a)
capital
b)
lowercase
c)
both
d)
neither
33.
 Recessive alleles are-
a)
capital
b)
lowercase
c)
both
d)
neither
34.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
35.
If a pea plant were homozygous recessive for height, how would its alleles be represented?
a)
TT
b)
Tt
c)
tt
d)
tT
36.
Which represents the genotype of a homozygous condition?
a)
Bb
b)
BC
c)
bb
d)
bc

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