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EOC Review Mendelian Heredity

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.

Which of the following can be described as homozygous dominant?

a)

Yy

b)

yy

c)

YY

d)

yY

2.

What are the genotypes of the P generation?

a)

Yy and Yy

b)

YY and yy

c)

Yellow and green

d)

Yellow and yellow

3.

The allele (Y) represents yellow and the allele (y) represents green. Which allele is dominant?

a)

Yellow

b)

Green

c)

Both alleles are equally dominant

4.

What are the phenotypes of the P generation?

a)

Yy and Yy

b)

YY and yy

c)

Yellow and green

d)

Yellow and yellow

5.

White flowers is an example of a

a)

Phenotype

b)

Genotype

6.

An organism’s physical appearance is its __________________________.

a)

Gene

b)

Genotype

c)

Allele

d)

Phenotype

7.

If red flowers (R) are dominant to white flowers (r), what is the phenotype for a homozygous recessive flower?

a)

rr

b)

RR

c)

Red

d)

White

8.

An organisms genetic makeup or “letters” is its _______________________.

a)

Phenotype

b)

Genotype

c)

Allele

d)

Trait

9.
Chromosomes that carry genes that code for the same products, such as hemoglobin or eye pigment, are said to be:
a)
homologous
b)
heterozygous
c)
heterogeneous
d)
homozygous
10.
Each parent contributes one of the genes for a particular trait. The genes of the pair are called:
a)
variables
b)
gametes
c)
hybrids
d)
alleles
11.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
12.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
13.
If a pea plant were homozygous recessive for height, how would its alleles be represented?
a)
TT
b)
Tt
c)
tt
d)
tT
14.
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
a)
Gene
b)
Allele
c)
Codon
d)
Nucleotide
15.

A genotype where only dominant alleles were passed on

from both parents for one trait

BB AA TT LL

a)

Homozygous Recessive

b)

Homozygous Dominant

c)

Dihybrid

d)

Heredity

16.

Passing on traits from parents to offspring

a)

Chromosome

b)

Genotype

c)

Heredity

d)

Allele

17.

A genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

a)

Allele

b)

Homozygous Dominant

c)

Homozygous Recessive

d)

Heterozygous

18.

A genotype where only recessive alleles

were passed on from both parents for one trait

bb aa tt ll

a)

Heredity

b)

Homozygous Dominant

c)

Homozygous Recessive

d)

Phenotype

19.
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
20.
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
21.
This phenotype is more likely to be prominent in offspring
a)
Genotype
b)
Dominant genotype
c)
Recessive Phenotype
d)
monotypes
22.
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
23.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
24.
Which of the following terms refers to the different possibilities of a gene?
a)
chromosome
b)
DNA
c)
Punnett Squares
d)
allele
25.
Which of the following is a homozygous genotype?
a)
Gg
b)
Kk
c)
HH
d)
Oo

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