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Punnet Squares, Pedigree, Meiosis, & Mitosis Review

Total questions: 28

Worksheet time: 26mins

Name
Class
Date
1.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
2.
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
a)
It is BB.
b)
It is Bb
c)
It is brown
d)
It is bb.
3.
What percent of offspring will have the recessive trait?
a)
25
b)
50
c)
75
d)
100
4.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
5.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
6.
What does an open circle represent?
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
7.

What are the genotypes of the affected son and daughter at the bottom of this pedigree?

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

d)

Can't tell

8.

What are the genotypes of individuals II-1, II-2, and II-3?

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

d)

Can't tell

9.

Select all stages of interphase?

a)

G1

b)

S

c)

G2

d)

Mitosis

10.

In which stage of the cell cycle does the cell split into two?

a)

Mitosis

b)

G1

c)

Cytokinesis

d)

S

11.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
12.
In what phase do the chromosomes get pulled apart into sister chromatid to opposite sides of the cell?
a)
Prophase
b)
Interphase
c)
Metaphase
d)
Anaphase
13.

What is the genotype of the father in the first generation?

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

d)

Can't tell

14.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
15.
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
16.

Gametes are...

a)

Haploid

b)

Diploid

c)

Polyploid

17.
When does crossover take place in meiosis?1
a)
Prophase II
b)
Interphase
c)
Prophase I
d)
Metaphase I
18.
Homologous chromosomes move to opposite poles of a cell during...
a)
Anaphase II
b)
Anaphase I
c)
Metaphase I
d)
Telophase I
19.
Meiosis II is similar to mitosis in that...
a)
homologous chromosomes synapse
b)
DNA replicates before division
c)
The chromosome number is reduced
d)
Sister chromatids separate during anaphase
20.
Independent assortment contributes to genetic diversity. When does independent assortment occur?
a)
Prophase I
b)
Metaphase I
c)
Anaphase I
d)
Prophase II
21.
If a diploid organism has a genome consisting of 22 chromosomes, its gametes will have ___ chromosomes
a)
44
b)
22
c)
11
d)
20
22.

Why does oogenesis produce fewer functioning gametes?

a)

The process takes place over long stretches of time

b)

Females only have a limited reproductive window

c)

The primary oocyte is not dipoid

d)

Cytokinesis is unequal

23.

A carrier would be which of the following geneotypes?

a)

AA

b)

Aa

c)

aa

24.

What alleles can a parent who is homozygous recessive for a particular trait pass on to their offspring?

a)

Dominant allele

b)

Recessive allele

c)

Dominant or Recessive alleles

d)

Both Dominant and Recessive alleles

25.

This method of reproduction is associated with growth and asexual reproduction

a)

Meiosis

b)

Mitosis

26.

When can a non-disjunction occur?

a)

Anaphase II

b)

Metaphase I

c)

Prophase I

d)

Telophase II

27.

XXY is know as...

a)

Edward's Syndrome

b)

Klinefelters

c)

Turner's

d)

Triple X Syndrome

28.

Diagnose the individual

a)

Male with Down's Syndrome

b)

Female with Down's Syndrome

c)

Male with Turner's syndorm

d)

Female with Turner's Syndrome

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