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HEREDITY UNIT 3

Total questions: 49

Worksheet time: 25mins

Name
Class
Date
1.

Who is known as the father of genetics

a)

Greg Brady

b)

Howie Mandell

c)

Gregor Mendel

d)

Rachell Mandell

2.

The passing of physical characteristics from parents to offspring is know as ________________

a)

genotype

b)

heredity

c)

phenotype

d)

characteristics

3.

The passing of physical characteristics from parents to offspring is know as ________________

a)

genotype

b)

heredity

c)

phenotype

d)

characteristics

4.

each specific physical characteristic is called a _________

a)

pistil

b)

allele

c)

purebred

d)

trait

5.

Genetics is ______________

a)

the passing of physical characteristics to offspring

b)

the science of heredity

c)

specific characteristics

6.

The part of the flower that produces female sex cells or eggs is the _________________________

a)

pistil

b)

stamen

c)

stem

d)

leaf

7.

The part of the flower that makes p0llen, which contains the male sex cells or sperm is the ________________

a)

pistil

b)

stamen

c)

stem

d)

leaf

8.

The process by which egg and sperm cells join to start forming a new organism is known as ________________

a)

naturalization

b)

spermentation

c)

hereditization

d)

fertilization

9.

An organism that is the offspring of many generations that have the same for of a trait is a _________________

a)

hybrid

b)

halfbreed

c)

purebred

d)

purebreed

10.

The different forms of a gene

a)

recessive traits

b)

dominant traits

c)

alleles

d)

genes

11.

Factors that control a trait

a)

genes

b)

alleles

c)

dominants

d)

recessives

12.

Something that always shows up in the organism

a)

recessive allele

b)

dominant allele

c)

recessive trait

d)

dominant women

13.

When a dominant allele is present, the recessive alleles _______

a)

run

b)

hide

c)

come out

d)

show themselves

14.

A factor that controls traits if a ____________________

a)

characteristic

b)

allele

c)

gene

d)

hybrid

15.

The scientific study of heredity

a)

genetics

b)

fertilization

c)

hereditization

d)

hereditarianism

16.

An organism that is the offspring of many generations that have the same form of a trait

a)

hybred

b)

purebred

c)

genotype

d)

phenotype

17.

Capital letters represent

a)

recessive alleles

b)

dominant characteristics

c)

dominant alleles

d)

recessive characteristics

18.

Mendel said that factors that control a trait come in_______________

a)

triplets

b)

quads

c)

pairs

d)

trios

19.

What Mendel called factors are now called ____________

a)

heredity

b)

genes

c)

purebreds

d)

traits

20.

When parent plants are crossed, scientists refer to the first generation offspring as _______________

a)

P

b)

F2

c)

1f

d)

F1

21.

The alleles for a hybrid rabbit would be ______________

a)

RR

b)

Rr

c)

RS

d)

rr

22.

A number that describes how likely it is that an event will occur is called _________________

a)

accountability

b)

liability

c)

probability

d)

percentage

23.

A chart that shows how to apply the probability of genetics is called __________________

a)

Punnett square

b)

Pundit square

c)

Punnet chart

d)

Pundit triangle

24.

The physical appearance or visible traits is an organism's ___________

a)

genotype

b)

phenobarbitol

c)

genetic make-up

d)

phenotype

25.

An organisms genetic makeup is its ________________.

a)

genotye

b)

genius

c)

phenotye

d)

phenius

26.

An organism that has two identical alleles

a)

heterozygus

b)

homozygous

c)

heteronimbus

d)

homogenous

27.

An organism that has two different alleles is _____________

a)

homogenous

b)

homogenized

c)

heterozygous

d)

heteromanual

28.

The physical appearance of an organism

a)

genotype

b)

phenotype

c)

heterotype

d)

homotype

29.

A Punnet square shows the combination of ____that parents can pass on to offspring

a)

alleles

b)

traits

c)

characteristics

d)

Punnets

30.

Which is not a phenotype

a)

tall

b)

short

c)

square

d)

heterozygous

31.

Dancing well is influenced by _______________

a)

inheritance

b)

environment

c)

inheritance and aquired

d)

inheritance and aquired

32.

What is the probability of producing a short tulip from a genetic cross between two hybrid tall tulips?

a)

one in four

b)

two in four

c)

three in four

d)

four in four

33.

What did Gregor Mendel do to study different characteristics in his genetics experiments?

a)

He cross pollinated plants

b)

He studied only asexual plants

c)

He studied only tall and short asparagus

d)

He cross pollinated odd animals

34.

What does tt mean?

a)

two dominant alleles

b)

heterozygus alleles

c)

two recessive alleles

d)

one dominant and one recessive allele

35.

What does the word genotype mean?

a)

color

b)

physical appearance

c)

genetic make-up

d)

recessive alleles

36.

If the offspring of a turkey has both brown and white feathers it means ________

a)

They came from two dominant alleles

b)

Both alleles were recessive

c)

Many alleles worked together

d)

The alleles for feather color are neither dominant nor recessive

37.

A puppy (awww!) has a combination of brown and white fur (just like Larry) and has the genotype FbFw. What does this indicate?

a)

polygenetic inheritance

b)

multiple alleles

c)

codominance

d)

heterozygus

38.

Lower case letters represent _______________

a)

dominant alleles

b)

recessive alleles

c)

dominant genotypes

d)

recessive genotypes

39.

Four alleles determine if a piggy is white, brown, or pink. This is an example of ____________

a)

incomplete dominance

b)

phenotype

c)

heterozygus

d)

multiple alleles

40.

The physical appearance of an organism is its _________

a)

phenotype

b)

gneotype

c)

heterotype

d)

homotype

41.

If a yellow pansy crosses with a blue pansy and produces a purple pansy, it is an example of _____________

a)

codominance

b)

incomplete dominance

c)

complete dominance

d)

dominant dominance

42.

Height in humans is an example of _____________

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

polygenic inheritance

43.

In a cross that is Aa and Aa, how many boxes of the Punnett square will show an offspring that is AA?

a)

1

b)

2

c)

3

d)

4

44.

When parent plants are crossed, scientists refer to the first generation of offspring as _________________

a)

P

b)

F2

c)

1f

d)

F1

45.

What is the chromosome theory?

a)

Genes are carried from parents to offspring on chomatids

b)

Genes are carried from parents to offspring on chromosomes

c)

Hybrid pairs of chromosomes combine to form offspring

d)

Two sex cells combine

46.

What happens during meiosis?

a)

Chromosome pairs separate into two different cells.

b)

The new cells have twice as many chromosomes

c)

Chromosomes are not copied

d)

Chromatids do not separate

47.

In making predictions about offspring traits, Mendel used the math concept of _________________

a)

predictability

b)

probability

c)

percent

d)

geometry

48.

When many generations have the same trait their offspring will most likely be _______________

a)

hybrid

b)

heterobred

c)

purebred

d)

zybred

49.

Alleles that are neither dominant nor recessive produce __________

a)

nondominance

b)

dominant alleles

c)

multiple alleles

d)

codominance