Test: Practice Quiz: Genotype and Phenotypes


Practice Quiz: Genotype and PhenotypesVersion en ligne Practice Quiz: Genotypes and Phenotypes par Benjamin D Morgan 1 Alternative forms of a gene are called a Alleles b Homozygous c DNA d Genetics 2 Hair color is an example of a genotype b phenotype 3 How tall you are is an example of a genotype b phenotype 4 Having blue eyes is an example of a genotype b phenotype 5 Usain Bolt's genes affect his height. Being 1.95m tall is an example of a genotype b phenotype 6 Which of the following is homozygous recessive? a rr b AA c TT d Ff 7 What does the prefix hetero- in heterozygous mean? a same b different c dating d human 8 The physical appearance of a trait is known as the- a genotype b characteristics c phenotype d intelligence 9 How many letters does a genotype contain? a 1 b 4 c 3 d 2 10 Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype? a Brown Hair b Blonde Hair c Brown and Blonde Hair d Black Hair 11 Hh represents... a Homozygous Dominant b Homozygous Recessive c Heterozygous d Heterozygous Dominant 12 Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous offspring? a GG b gg c Gg 13 Observe the diagram and identify number 4. a flower color allele b allele for white flowers c flower color gene d allele for purple flowers 14 Observe the diagram and identify number 5. a gene pair b set of different chromosomes c two male chromosomes d chromosome pair 15 Observe the diagram and identify number 7. a allele for purple flowers b gene for purple flowers c allele for white flowers d genes for white flowers 16 Observe the diagram and identify number 15. a homozygous dominant b homozygous recessive c heterozygous d heterozygous dominant e heterozygous recessive f homozygous 17 Observe the diagram and identify number 16. a homozygous dominant b homozygous recessive c heterozygous d heterozygous dominant e heterozygous recessive f homozygous 18 Observe the diagram and identify number 17. a brown eyes b blue eyes c green eyes 19 Observe the diagram and identify number 18. a b c 20 Observe the diagram and identify number 19. a homozygous dominant b homozygous recessive c heterozygous 21 The physical appearance of an organism based on traits a Genotype b Phenotype c Meiosis d Genetics 22 The allele combinations a genetics b mitosis c genotype d phenotype 23 This trait will always be expressed if present because it will mask the expression of others a stem cells b heterozygous c dominant d recessive 24 Having the genes for baldness is an example of a genotype b phenotype 25 Being a carrier of a genetic disorder is an example of a genotype b phenotype 26 Usain Bolt trains daily to improve his muscular explosiveness. Muscle size is an example of a genotype b phenotype 27 Having genes that make you more likely to be good at sprinting is an aspect of a genotype b phenotype 28 Which of the following is heterozygous a FF b tt c Gg d RR 29 What does the prefix homo- in homozygous mean? a same b different c dating d humans 30 Which of the following is homozygous dominant? a Jj b Rr c MM d ee 31 Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype? a Freckles b No Freckles c A few Freckles d One Freckle 32 Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' phenotype? a Not enough information b A small Widow's Peak c No Widow's Peak d Widow's Peak 33 rr represents... a Homozygous Dominant b Homozygous Recessive c Heterozygous d Heterozygous Recessive 34 Round (R) seeds are dominant to wrinkled (r) seeds. What is the genotype for a homozygous dominant offspring? a RR b Rr c rr 35 Observe the diagram and identify number 21 a dominant b recessive c gene d heterozygous e homozygous 36 Observe the diagram and identify number 22 a gene b heterozygous c dominant d recessive e homozygous 37 Observe the diagram and identify number 23. a short b long c tall stem allele d short stem allele e heterozygous 38 Observe the diagram and identify number 24. a short b long c tall stem allele d short stem allele e heterozygous 39 Observe the diagram and identify number 25. a short b long c tall stem allele d heterozygous e short stem allele 40 Observe the diagram and identify number 33. a tall b short c short stem allele d tall stem allele e homozygous

1

Alternative forms of a gene are called

a

Alleles

b

Homozygous

c

DNA

d

Genetics

2

Hair color is an example of

a

genotype

b

phenotype

3

How tall you are is an example of

a

genotype

b

phenotype

4

Having blue eyes is an example of

a

genotype

b

phenotype

5

Usain Bolt's genes affect his height. Being 1.95m tall is an example of

a

genotype

b

phenotype

6

Which of the following is homozygous recessive?

a

rr

b

AA

c

TT

d

Ff

7

What does the prefix hetero- in heterozygous mean?

a

same

b

different

c

dating

d

human

8

The physical appearance of a trait is known as the-

a

genotype

b

characteristics

c

phenotype

d

intelligence

9

How many letters does a genotype contain?

a

1

b

4

c

3

d

2

10

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?

a

Brown Hair

b

Blonde Hair

c

Brown and Blonde Hair

d

Black Hair

11

Hh represents...

a

Homozygous Dominant

b

Homozygous Recessive

c

Heterozygous

d

Heterozygous Dominant

12

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous offspring?

a

GG

b

gg

c

Gg

13

Observe the diagram and identify number 4.

a

flower color allele

b

allele for white flowers

c

flower color gene

d

allele for purple flowers

14

Observe the diagram and identify number 5.

a

gene pair

b

set of different chromosomes

c

two male chromosomes

d

chromosome pair

15

Observe the diagram and identify number 7.

a

allele for purple flowers

b

gene for purple flowers

c

allele for white flowers

d

genes for white flowers

16

Observe the diagram and identify number 15.

a

homozygous dominant

b

homozygous recessive

c

heterozygous

d

heterozygous dominant

e

heterozygous recessive

f

homozygous

17

Observe the diagram and identify number 16.

a

homozygous dominant

b

homozygous recessive

c

heterozygous

d

heterozygous dominant

e

heterozygous recessive

f

homozygous

18

Observe the diagram and identify number 17.

a

brown eyes

b

blue eyes

c

green eyes

19

Observe the diagram and identify number 18.

a

b

c

20

Observe the diagram and identify number 19.

a

homozygous dominant

b

homozygous recessive

c

heterozygous

21

The physical appearance of an organism based on traits

a

Genotype

b

Phenotype

c

Meiosis

d

Genetics

22

The allele combinations

a

genetics

b

mitosis

c

genotype

d

phenotype

23

This trait will always be expressed if present because it will mask the expression of others

a

stem cells

b

heterozygous

c

dominant

d

recessive

24

Having the genes for baldness is an example of

a

genotype

b

phenotype

25

Being a carrier of a genetic disorder is an example of

a

genotype

b

phenotype

26

Usain Bolt trains daily to improve his muscular explosiveness. Muscle size is an example of

a

genotype

b

phenotype

27

Having genes that make you more likely to be good at sprinting is an aspect of

a

genotype

b

phenotype

28

Which of the following is heterozygous

a

FF

b

tt

c

Gg

d

RR

29

What does the prefix homo- in homozygous mean?

a

same

b

different

c

dating

d

humans

30

Which of the following is homozygous dominant?

a

Jj

b

Rr

c

MM

d

ee

31

Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype?

a

Freckles

b

No Freckles

c

A few Freckles

d

One Freckle

32

Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' phenotype?

a

Not enough information

b

A small Widow's Peak

c

No Widow's Peak

d

Widow's Peak

33

rr represents...

a

Homozygous Dominant

b

Homozygous Recessive

c

Heterozygous

d

Heterozygous Recessive

34

Round (R) seeds are dominant to wrinkled (r) seeds. What is the genotype for a homozygous dominant offspring?

a

RR

b

Rr

c

rr

35

Observe the diagram and identify number 21

a

dominant

b

recessive

c

gene

d

heterozygous

e

homozygous

36

Observe the diagram and identify number 22

a

gene

b

heterozygous

c

dominant

d

recessive

e

homozygous

37

Observe the diagram and identify number 23.

a

short

b

long

c

tall stem allele

d

short stem allele

e

heterozygous

38

Observe the diagram and identify number 24.

a

short

b

long

c

tall stem allele

d

short stem allele

e

heterozygous

39

Observe the diagram and identify number 25.

a

short

b

long

c

tall stem allele

d

heterozygous

e

short stem allele

40

Observe the diagram and identify number 33.

a

tall

b

short

c

short stem allele

d

tall stem allele

e

homozygous

Practice Quiz: Genotype and Phenotypes

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