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GENETICS

Total questions: 20

Worksheet time: 22mins

Name
Class
Date
1.

Who is considered the "father" of modern genetics?

a)

Einstein

b)

Mendel

c)

Disney

d)

Washington

2.
A single cross such as flower color.
a)
mono hybrid
b)
dihybrid
c)
crossing over
d)
homozygous
3.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
4.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous 
5.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
6.
Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
7.
"The Great White Shark was 20 feet in length.  Phenotype or Genotype?
a)
phenotype
b)
genotype
8.
A characteristic that is passed from parent to offspring
a)
inherited trait
b)
chromosome
c)
pedigree
d)
DNA
9.
The passing of inherited traits from parents to offspring
a)
acquired traits
b)
inherited traits
c)
heredity
d)
genetics
10.
The study of Heredity
a)
science
b)
genetics
c)
english
d)
gene
11.
Organisms that always produce offspring with the same traits are known as
a)
purebred
b)
hybrid
c)
dominant trait
d)
recessive trait
12.
Organisms that have inherited two different forms of the same trait, one from each parent
a)
purebred
b)
hybrid
c)
dominant trait
d)
recessive trait
13.
The hidden form of an inherited trait
a)
dominant trait
b)
recessive trait
c)
purebred
d)
hybrid
14.
T = tall an t = short
What is the phenotype for Tt?
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
15.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
16.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
17.
How many chromosomes are in a sex cell?
a)
46
b)
23
c)
26
d)
43
18.
The genetic characteristics of recessive genes
a)
tend to mask the characteristics of dominant genes.
b)
are always expressed in the phenotype.
c)
are usually codominant.
d)
tend to be masked by the characteristics of dominant genes.
19.

Based on Mendel's experiments, he crossed a P generation true-breeding green seed (G) with a P generation true-breeding yellow seed (g). Which of the following is true regarding the F1 generation.

a)

All F1 are yellow in color.

b)

All F1 are green in color

c)

All F1 are homozygous yellow.

d)

All F1 are homozygous green.

20.
What is the male part of the flower called?
a)
pistil
b)
petal
c)
stamen
d)
leaf