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Intro to Genetics

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

Segment of a chromosome (DNA) that codes for a specific protein

a)

chromatid

b)

gene

c)

fragment

d)

none of these

2.

The study of heredity is called?

a)

algebra

b)

chemistry

c)

genetics

d)

physics

3.

AA or dd are an example of ___________ alleles.

a)

homozygous

b)

heterozygous

c)

both of these

d)

neither of these

4.

Aa or Dd are an example of ___________ alleles.

a)

homozygous

b)

heterozygous

c)

both of these

d)

neither of these

5.

The ___________ allele only needs 1allele to be expressed (always upper cased)

a)

dominant

b)

recessive

c)

both of these

d)

neither of these

6.

Thread-like or X-shaped structure containing genetic information (DNA)

a)

chromosome

b)

chloroplast

c)

centriole

d)

centromere

7.

Diagram used to predict the genotype and phenotype of offspring.

a)

Lewis Dot Structure

b)

Punnett Square

c)

Trophic Pyramid

d)

Food Web

8.

Genetic makeup

a)

genotype

b)

karyotype

c)

phenotype

d)

prototype

9.

Physical appearance.

a)

genotype

b)

karyotype

c)

phenotype

d)

prototype

10.

Cell organelle where genetic information (DNA) is found.

a)

cytoplasm

b)

golgi body

c)

nucleus

d)

smooth and rough ER

11.

Which of these determine your phenotype?

a)

genotype only

b)

environment only

c)

both genotype & environment

d)

none of these

12.

A different (alternative) form of a gene is called ____________

a)

chromosome

b)

chromatid

c)

allele

d)

fragment

13.

He is the father of genetics. He did his research using pea plants.

a)

Darwin

b)

Einstein

c)

Mendel

d)

Watson

14.

Heredity is the passing of traits from ___________ to ________.

a)

parent to parent

b)

offspring to offspring

c)

offspring to parent

d)

parent to offspring

15.

Gender most affected by sex-linked traits

a)

males

b)

females

c)

both equally

16.

1 out of 4 is _________%

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

17.

2 out of 4 is _________%

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

18.

The ___________ allele needs 2 alleles to be expressed (always lower cased)

a)

dominant

b)

recessive

c)

both of these

d)

neither of these

19.

Has 16 boxes; used to predict genotype & phenotypes of offspring.

a)

monohybrid cross (Punnett Square)

b)

dihybrid cross (Punnett Square)

c)

Pedigree

d)

Lewis Dot Structure

20.

Diagram that shows how generations of a family is affected by a trait.

a)

monohybrid cross (Punnett Square)

b)

dihybrid cross (Punnett Square)

c)

Pedigree

d)

Lewis Dot Structure

21.

A normal female on a pedigree chart

a)

completely filled in cirlce

b)

not filled in circle

c)

completely filled in square

d)

not filled in square

22.

A male with trait on a pedigree chart

a)

completely filled in cirlce

b)

not filled in circle

c)

completely filled in square

d)

not filled in square

23.

Female genotype

a)

XY

b)

XX

c)

ZY

d)

ZX

24.

Male genotype

a)

XY

b)

XX

c)

ZY

d)

ZX

25.

Huntington's Disease is what type of disease?

a)

autosomal recessive

b)

sex-linked

c)

autosomal dominant

26.

Sickle Cell Anemia and Cystic Fibrosis are what type of disease?

a)

autosomal recessive

b)

sex-linked

c)

autosomal dominant

27.

Color blindness is what type of disease?

a)

autosomal recessive

b)

sex-linked

c)

autosomal dominant