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Ch 10 Genetics

Total questions: 30

Worksheet time: 25mins

Name
Class
Date
1.

Our genes are located in our DNA/chromosomes?

a)

True

b)

False

2.

If a banana species had 28 chromosomes. How many chromosome would be found in a gamete?

a)

28

b)

7

c)

14

d)

13

3.

What are the stages of Meiosis II in the correct order?

a)

Prophase I, Metaphase I, Anaphase I, Telophase I

b)

Prophase II, Metaphase II, Anaphase II, Telophase II

c)

Telophase II, Anaphase II, Metaphase II, Prophase II

d)

Prophase II, Metaphase II, Anaphase I, Telophase II

4.

Another name for purebred...

a)

Heterozygous

b)

Homozygous

c)

Hetrogenerous

d)

Homologous

5.

A gene that can hide the effect of a recessive gene

a)

Dominant gene

b)

Recessive gene

6.

Which of the following genotypes would be considered heterozygous?

a)

BB

b)

gg

c)

Ff

d)

TT

7.

Different forms of a gene is __________.

a)

alleles

b)

DNA

c)

dominant gene

d)

inherited

8.

If something is heterozygous, it is also _____

a)

purebred

b)

hybrid

c)

dominant

d)

recessive

9.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
10.

This image shows a_____

a)

Punnett Squre

b)

PHenotype

c)

Pedigree

d)

Homozygous Dominate genotype

11.

Which of the following is homozygous recessive

a)

Rr

b)

RR

c)

rr

d)

all of them

12.

Having two different genes for a trait is called

a)

homozygous

b)

heterozygous

c)

protein

d)

genotype

13.
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
14.
Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa
a)
AA
b)
Aa
c)
aa
d)
brown fur
15.
Two brown eyed parents which are  both heterozygous(Bb) have a baby. What is the possibility of the baby being blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
16.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
17.

the passing of traits from a parent to its offspring

a)

hybrid

b)

Heterozygous

c)

heredity

d)

Homozygous

18.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
19.

Cell reproduction that creates new diploid body cells is what?

a)

Meiosis

b)

Mitosis

20.

How many chromosomes do human reproductive cells (gametes) have?

a)

23

b)

46

c)

44

d)

22

21.

Who is the Father of Genetics?

a)

Gregor Cailliet

b)

Gregor Mendel

c)

Albert Einstein

d)

Charles Darwin

22.

What phase of meiosis does Homologous chromosomes condense and pair up during synapsis; spindle fibers form?

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

23.

Which phase of meiosis does Pairs of homologous chromosomes line up at the cell's equator?

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

24.

What phase of Meiosis does homologous chromosomes separate and move towards opposite ends of the cells.

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

25.

What phase of Meiosis does homologous chromosomes reach the cell's poles and cytokinesis usually occurs?

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

26.

The process that increases genetic diversity in gametes is __________.

a)

crossing over

b)

gene linkage

c)

polyploidy

27.

When genes are close together on a chromosome and often move together

a)

recombinant genetics

b)

independent assortment

c)

polyploidy

d)

gene linkage

28.

Study the Punnett Square. What is the probability of having heterozygous dominant traits?

a)

0%

b)

25%

c)

50%

d)

75%

29.

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

a)

genotypes

b)

phenotypes

30.

What plant did Mendel study?

a)

pea plant

b)

spinach

c)

carrots

d)

sunflowers