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Heredity Bell Work

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The DNA is found inside the Cell ________

a)

Wall

b)

Nucleus

c)

Cell Membrane

d)

Vacuole

2.

Traits are _____ from one generation to the next.

a)

passed up

b)

passed down

c)

not passed

3.

Cells come from

a)

other cells

b)

other nuclei

c)

other DNA

d)

other mitochondria

4.

The scientific study of heredity is called

a)

genetics

b)

genes

c)

traits

d)

biology

5.

_____________ is the passing of characteristics from parents to offspring (children)

a)

heredity

b)

homozygous

c)

heterozygous

d)

homeostasis

6.

Whenever a _____________ allele is present its trait will show up.

a)

dominant

b)

recessive

7.

Geneticists often use a ________________ to calculate the frequencies of a different genotypes and phenotypes in offspring.

a)

Punnett square

b)

pie graph

c)

bar graph

d)

line graph

8.

A ________________ is a physical appearnace or the observable traits of the organism

a)

PHenotype

b)

GEnotype

9.

A liger is an example of a _______________ because it is the result of two different species being bred together.

a)

hybrid

b)

purebred

10.

If an organism has two of the same alleles for a trait is considered __________________.

a)

HOMOzygous

b)

HETEROzygous

11.

A _____________________ allele can only show up if there are NO dominant alleles present.

a)

recessive

b)

dominant

12.

In _____________________ the alleles are both dominant so a mix of both traits is seen in the offspring.

a)

Codominance

b)

Indominance

13.

The allele combination or GENETIC makeup of an organism is called its

a)

GEnotype

b)

PHenotype

14.

If an organism is ________________ it has two different alleles for that trait.

a)

HOMOzygous

b)

HETEROzygous

15.

An offspring with many generations of the same trait is a ________________________

a)

Purebred

b)

Hybrid