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Mendel's Law of Heredity

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

What does Mendel's Law of Heredity refer to?

a)

How traits pass on to off springs

b)

How traits are diminished

c)

How traits tend to copy one another

2.

This chart is used to make predictions of traits being passed to offsprings

a)

Pint Square

b)

Punnet Square

c)

Parallel Square

3.

How many traits are more likely to pass on others?

a)

3

b)

2

c)

1

d)

4

4.

____ are off springs that inherit "factors"

a)

Hypothesized

b)

Hyperthesized

5.

Mendel's factors are ___

a)

genes

b)

atoms

c)

cells

d)

tissues

6.

Genes are ___?

a)

traits that come with "other genes"

b)

traits that come with "alleles"

c)

traits that come with "atoms"

7.

Dominate traits are ___?

a)

Always expressed

&

not shown if present and doesn't make recessive allele.

b)

Always expressed

&

shown if present, make recessive allele.

c)

Never expressed

& shown if present,

make recessive allele.

8.

Recessive allele ___

a)

Only expressed when BOTH allele are recessive

b)

Only expressed when NO allele are recessive

c)

Only expressed when ONE allele is recessive

9.

Mendel's 3rd law is the ___

a)

Law of Dominance

b)

Law of Determination

10.

There are ___ chromosome pairs, and ___ chromosomes total.

a)

23;46

b)

33;66

c)

10;20

d)

20;40

11.

Offsprings inherit __ copies of each gene

a)

2

b)

3

c)

4

d)

1

12.

Offsprings inherit __ alleles for each gene

a)

2

b)

3

c)

4

d)

1

13.

Genotypes are ___

a)

combination of 2 alleles

b)

combination of 3 alleles

c)

combination of 4 alleles

14.

Homozygous chromosomes have __ SAME alleles

a)

2

b)

3

c)

1

d)

4

15.

Heterozygous have ___ DIFFERENT

a)

2

b)

1

c)

3

d)

4

16.

Heterozygous contain

a)

DIFFERENT alleles

b)

SAME alleles

c)

Combination alleles

17.

Homozygous contains ____

a)

SAME alleles

b)

DIFFERENT alleles

c)

COMBINATION alleles

18.

Genotype contain ___

a)

DIFFERENT alleles

b)

COMBINATION alleles

c)

SAME alleles

19.

Expression of genes for that trait ; VISIBLE TRAITS

a)

Phenotype

b)

Genotype

c)

Homozygous

d)

Heterozygous

20.

Offsprings express either ___

a)

dominate or recessive

b)

dominate or calm

c)

dominate or aggressive

d)

Recessive or aggressive

21.

Inherited traits are ____

a)

passed from parent to offsprings via gametes (egg/sperm)

b)

passed from parent to offspring via zygote

c)

passed from offspring to parent via gametes

(egg/sperm)

d)

passed from offsprings to parent via zygote

22.

Gamate's carry __ chromosome of pair

a)

1

b)

2

c)

3

d)

4

23.

Gamates contain ___ chromosomes

a)

23

b)

43

c)

13

d)

33

24.

Zygotes contain__ chromosomes

a)

26

b)

46

c)

36

d)

16

25.

To use the Punnet Square you must know genotypes of?

a)

parents

b)

offspring

26.

The Punnet Square is a chart that determines ratio of genotype of offsprings from reproductive cross

a)

True

b)

False

27.

Genotypes are respresented by?

a)

3 letters

b)

2 letters

c)

1 letter

28.

Capital letters represent?

a)

Dominate alleles

b)

Recessive alleles

29.

Small letters represent?

a)

Recessive alleles

b)

Dominate alleles

30.

What law is this ; "Offsprings inherit 1 allele from EACH parent"

a)

Mendal's Law of Segregation

b)

Mendal's law of Independent Assortment

31.

___ tracks inheritance of 2 DIFFERENT traits & starts with parental cross of 2 true-breed HOMOZYGOUS organism

a)

Distal Cross

b)

Dihybrid Cross

c)

Dilated Cross

32.

F1 only shows ___

a)

2 dominant traits

b)

2 recessive traits

33.

Which law is this ; "Shows alleles NOT inherited"

a)

Mendal's Law of Independant Assortment

b)

Mendal's Law of Segregation

34.

Non-Mendelion occurs when ___

a)

3 factors other than dominant & recessive alleles

b)

2 factors other than dominant & recessive alleles

c)

1 factor other than dominant & recessive alleles

35.

Mendal's ratio occurs when___

a)

Factors other than dominant & recessive alleles in play

b)

Factors tend to be dominant and thats all

c)

Happens when simple-dominance-recessive relationships exist between 2 alleles

36.

Non-mendalin _____

a)

Result from subtracting alleles

b)

Result from multiplying alleles

c)

Result from adding alleles

37.

Epistasis are ___

a)

co-dominance interactions are non-existing

b)

co-dominance & interactions between genes

38.

A pea plant has a dominant homozygous genotype, Which best represents this genotype?

a)

ww

b)

WW

c)

Ww

d)

Wx

39.

Pea plants have seeds that are either green or yellow, green seeds are dominant to yellow seeds, 2 pea plants that are heterozygous for seed color are crossed. Predict the percentage of their offspring that will have green seeds.

a)

50%

b)

25%

c)

0%

d)

75%

40.

Which of the following best describes the expression of alleles?

a)

P generation

b)

Hertiable trait

c)

Genotype

d)

Phenotype

41.

Which best describes non-mendelian intheritance patterns?

a)

Each trait has 1 dominant & 1 recessive allele

b)

Occurs when they're are 2 factors other than dominate & recessive traits

c)

Heterozygous monohybrid crosses results in 3:1 ratio of dominant-recessive phenotypes

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