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Mendel/Meiosis

Total questions: 35

Worksheet time: 32mins

Name
Class
Date
1.
sex cells (egg, sperm, pollen)
a)
games
b)
gamete
c)
somatic 
d)
neurons
2.
characteristics that are inherited
a)
alleles
b)
homologous chromosomes 
c)
traits
d)
purebred
3.
organisms only donate one copy of a gene to their gametes
a)
law of segregation
b)
law of independent assortment
c)
crossing over
d)
meiosis
4.
a piece of DNA that provides a set of instructions to a cell to make a certain protein
a)
splicesome
b)
introns
c)
genes
d)
chromosome
5.
A genotype in which the two alleles are the same
a)
divergent
b)
heterozygous
c)
homozygous
d)
convergent
6.
A set of alleles that an individual has for a trait or characteristic
a)
genotype
b)
phenotype
c)
karyotype
d)
gametes
7.
The physical appearance of a trait or characteristic
a)
genotype
b)
phenotype
c)
genetic code
d)
RNA
8.
allele pairs separate independently of each other during meiosis
a)
law of segregation
b)
law of independent assortment
c)
homozygous
d)
heterozygous
9.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
10.
Based only on the sex chromosomes in typical human egg and sperm cells at fertilization, the probability of producing a female is
a)
25%
b)
50%
c)
75%
d)
90%
11.

If an intestinal cell in a butterfly contains 24 diploid chromosomes, a butterfly haploid egg would contain

a)

3

b)

6

c)

12

d)

24

12.
What is one advantage of sexual reproduction?
a)
offspring are identical to parents
b)
offspring are resistant to viruses
c)
offspring are born live, rather than from eggs
d)
offspring inherit a wider variety of genetic information
13.

The numbers in Figure 6.3 represent the chromosome number found in each of the dog cells shown. The processes that are occurring at A and B are ______.

a)

mitosis and fertilization

b)

meiosis and fertilization

c)

mitosis and pollination

d)

meiosis and pollination

14.

A Red Cow is mated with a White Bull, the baby cows are all Roan (Red and White hairs). Which type of inheritance pattern is this demonstrating?

a)

Dominance

b)

Co-Dominance

c)

Incomplete Dominance

d)

Multiple Alleles

e)

Polygenics

15.

Two pink flowers are incompletely dominant in terms of color inheritance. When mated, how many offspring will also be pink?

a)

100%

b)

75%

c)

50%

d)

25%

16.
If both parents are heterozygous for a trait (Aa) what will be the ratio in a Punnett square for their offspring? 
a)
1:1
b)
3:1 
c)
100% dominant 
d)
0 % recessive 
17.
If guinea pig fur is G = gray and g = white if both parents are (gg) what percentage of their offspring would be grey? 
a)
100% 
b)
0 % 
c)
50% grey 50% white 
d)
none of these 
18.
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%
19.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
20.
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
21.
If you cross a black chicken with a white chicken, only checkered chickens would be produced.  What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
22.
Occurs in body cells
a)
mitosis 
b)
meiosis
c)
both
d)
neither
23.
Occurs in sex cells
a)
mitosis 
b)
meiosis
c)
both
d)
neither
24.
Offspring identical to parents
a)
mitosis 
b)
meiosis
c)
both
d)
neither
25.
Has two cellular divisions
a)
mitosis 
b)
meiosis
c)
both
d)
neither
26.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
27.

The diagram shows the process of crossing over. Which claim about crossing over in chromosomes is best supported by the diagram?

a)

Crossing over increases genetic diversity through deletion.

b)

Crossing over decreases genetic diversity through mutation.

c)

Crossing over increases genetic diversity by creating new combinations of genes.

d)

Crossing over decreases genetic diversity by inserting nucleotides into gene sequences.

28.

The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.

a)

nondisjunction

b)

anaphase I

c)

nondiploidy

d)

karyotype

29.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
30.
Which letter(s) in the diagram correspond to cells that are haploid? 
a)
A
b)
B
c)
C
d)
A and B
31.

Crossing over is advantageous because it brings abouT

a)

Linkage

b)

Variation

c)

Inbreeding

d)

Stability

32.
A male shark has 40 chromosomes in each of its sperm. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
33.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
34.
This picture shows which process? 
a)
mitosis
b)
meiosis
c)
the cell cycle
35.

What is one of the advantages of reproducing sexually versus asexually?

a)

underproduction of offspring

b)

overproduction of offspring

c)

genetic variation

d)

artificial selection

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