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Unit 3B

Total questions: 50

Worksheet time: 13hrs 30mins

Name
Class
Date
1.

produces 2 daughter cells

a)

mitosis

b)

meiosis

c)

both

2.

could produce an egg cell

a)

mitosis

b)

meiosis

c)

both

3.

produces cells identical to parents

a)

mitosis

b)

meiosis

c)

both

4.

could produce a liver cell

a)

mitosis

b)

meiosis

c)

both

5.

produces 4 daughter cells

a)

mitosis

b)

meiosis

c)

both

6.

Has 4 stages and divides 1 time.

a)

mitosis

b)

meiosis

c)

both

7.

Daughter cells are identical to parent cell.

a)

mitosis

b)

meiosis

c)

both

8.

Daughter cells are not identical to parent cell.

a)

meiosis

b)

mitosis

c)

both

9.

Chromosome number is halved in daughter cells.

a)

meiosis

b)

Mitosis

c)

both

10.

Meiosis results in ------------ While Mitosis resuls in ---------

a)

(A) 2 haploid daughter cells and 2 haploid daughter cells

b)

(B) 4 haploid daughter cells and 2 diploid daughter cells

c)

(C) 2 diploid daughter cells and 4 haploid daughter cells

d)

(D) 4 diploid daugther cells and 2 haloid daughter cells

11.

The --------------------- cells undergo Mitosis while the --------- undergo Meiosis

a)

(A) Somatic or body ; Gametes

b)

(B) Gametes; Somatic or body cells

c)

(C) Gametes; Gametes

d)

(D) Somatic or Body cells; Somatic or Body cells

12.

Ends with diploid number of chromosomes

a)

Mitosis

b)

Meiosis

c)

Both

13.

Involves crossing over

a)

Mitosis

b)

Meiosis

c)

Both

14.

produces identical daughter cells

a)

Mitosis

b)

Meiosis

c)

Both

15.

forms gametes

a)

Mitosis

b)

Meiosis

c)

Both

16.

produces haploid cells

a)

Mitosis

b)

Meiosis

c)

Both

17.

What is the primary cause of genetic variation during meiosis?

a)

chromosomes lining up

b)

"crossing over" of chromosomes

c)

separation of chromosomes

d)

chromosomes pulling apart

18.

This image shows (a)  

19.

Crossing Over and Non disjunction Lead to (a)  

20.

The passing on of traits and behaviors from parents to their offspring is

a)

offspring

b)

heredity

c)

DNA

d)

genes

21.

Is weak, prefers to "hide"

a)

dominant genes

b)

trait

c)

recessive genes

d)

genes

22.

Only takes 1 in a gene pair for a trait to show up

a)

recessive genes

b)

DNA

c)

offspring

d)

dominant genes

23.
The genotype of an organism describes the
a)
codons that make up the genes
b)
number of gene's on the chromosmes
c)
genetic make-up of a trait
d)
type of chromosomes in the nucleus
24.

Aa, DD, Bb, yy are all examples of _______

a)

genotypes

b)

phenotypes

25.

If something is homozygous, it can also be called____

a)

phenotype

b)

genotype

c)

hybrid

d)

purebred

26.

If something is heterozygous, it is also _____

a)

purebred

b)

hybrid

c)

dominant

d)

recessive

27.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
28.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
29.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
30.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
31.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
32.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
33.
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%
34.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
35.

Which of the choices is heterozygous?

a)

BB

b)

Bb

c)

bb

36.

Which of the choices is homozygous recessive?

a)

BB

b)

Bb

c)

bb

37.

Which of the choices is homozygous dominant?

a)

BB

b)

Bb

c)

bb

38.

Which of the choices are dominant? (there may be more than one)

a)

BB

b)

Bb

c)

bb

39.

What is the probability that the offspring will express the dominant trait?

a)

25%

b)

50%

c)

75%

d)

100%

40.
Round seeds (R) are dominant over wrinkled seeds (r). What percentage of the offspring will be round from the following cross?
Rr X Rr
a)
100%
b)
75%
c)
50%
d)
25%
41.
A heterozygous round seeded plant (Rr) is crossed with a homozygous dominant round seeded plant (RR). What percentage of the offspring will be homozygous dominant?
a)
100%
b)
75%
c)
50%
d)
25%
42.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
43.

What goes in box 15

a)

aabb

b)

AABB

c)

aaBB

d)

AAbb

44.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
45.

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

a)

9/16

b)

3/16

c)

1/16

d)

16/16

46.
This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
47.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable 
48.

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?

a)

0%

b)

25%

c)

50%

d)

100%

49.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be gray?

a)

25

b)

50

c)

75

d)

100

50.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

2 red, 2 speckled

b)

2 red, 2 blue

c)

2 blue, 2 speckled

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