Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3: Heredity and Genetics Vocabulary & Ideas

Total questions: 31

Worksheet time: 16mins

Name
Class
Date
1.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
2.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
3.
If a child has red hair, they inherited a certain _______________ from their parents.
a)
ratio
b)
trait
c)
probability
d)
sex chromosome
4.

Children of a parent are called what?

a)
Offspring
b)
Behavior
c)
Trait
d)
Instinct
5.

Which of these is an inherited trait?

a)
speaking in front of a crowd
b)
having green eyes
c)
knowing math facts
d)
becoming and extrovert
6.

Where are chromosomes found?

a)

vacuole

b)

cell membrane

c)

nucleus

d)

mitochondria

7.

If two alleles are the SAME for a certain trait, they are considered which of these?

a)

Homozygous

b)

Twins

c)

Heterozygous

d)

Common

8.

PHysical traits that are expressed are known as what?

a)

Mutation

b)

Personality

c)

Genotype

d)

Phenotype

9.

The genetic DIFFERENCES between individuals in the same species is called what?

a)

Interesting

b)

Harmful

c)

Variation

d)

Genetics

10.

The genes of an organism that are written with capital or lowercase LETTERS are called what?

a)

Pant size

b)

Deoxyribonucleic acid

c)

Genotype

d)

Gretchentype

11.

If a gene is always expressed or shows up, if present, it is written with a capital letter. These are called what?

a)

Bossy

b)

Recessive

c)

Yelling

d)

Dominant

12.

If a certain trait has two DIFFERENT alleles (one dominant and one recessive) it is called WHAT?

a)

Homozygous

b)

Confused

c)

Differentiated

d)

Heterozygous

13.

This variation of a gene can only be expressed (YOU SEE IT) if it is received from both parents. What is it called?

a)

Shy

b)

Heterozygous

c)

Variation

d)

Recessive

14.

The different forms of a gene is called what?

a)
heredity
b)
genetics
c)
gene
d)
alleles
15.

This trait always shows up in an organism when the allele is present?

a)
dominant allele
b)
codominance
c)
probability
d)
recessive allele
16.

This trait is hidden whenever the dominant allele is present?

a)
dominant allele
b)
codominance
c)
recessive allele
d)
Punnett Square
17.

A chart that shows all the possible combinations of alleles that can result from a genetic cross is called this?

a)
dominant allele
b)
codominance
c)
probability
d)
Punnett Square
18.
Which statement describes asexual and sexual reproduction?
a)
Asexual is one part of sexual reproduction.
b)
Sexual reproduction happens before asexual reproduction.
c)
Asexual needs one parent, and sexual needs two parents.
d)
Sexual only happens in animals, and asexual happens only in plants.
19.
What is an advantage of sexual reproduction over asexual reproduction?
a)
Sexual reproduction produces identical offspring.
b)
Sexual reproduction happens before asexual reproduction.
c)
Sexual reproduction generates a large number of offspring.
d)
Sexual reproduction causes genetic variation in offspring.
20.

An observable characteristic is called what?

a)

trait

b)

personality

c)

cell

d)

DNA

21.

This is called a version of a gene, and it is also known as the two forms of a gene. This is called what?

a)

trait

b)

gene

c)

allele

d)

DNA

22.

Chromosomes are made of coiled strands of what?

a)
DNA
b)
RNT
c)
WWE
d)
DMA
23.

Cell division is the process of making new what?

a)

making new cells

b)

making old cells

c)

destroying new cells

d)

making old cells

24.

Meiosis produces new ones of these?

a)

body cells

b)

sex cells

c)

body and sex cells

25.

Meiosis helps an organism do which of these?

a)

reproduce (make offspring)

b)

heal cuts and damaged tissue

c)

grow larger

26.

Meiosis produces genetically ___________ cells.

a)

identical

b)

unique (different)

c)

similar

27.

Mitosis helps an organism do which of these?

a)

heal and grow

b)

make unique offspring

c)

produce gametes

d)

make sperm and eggs

28.

A _______________ is a sex cell. (egg or sperm)

a)

zygote

b)

gamete

c)

chromosome

d)

gene

29.

What is an organism called if its alleles are represented by two of the SAME letter?

a)
purebred
b)
hybrid
c)
dominant
d)
recessive
30.

What is an organism called if its alleles are represented by two DIFFERENT letters?

a)
hybrid
b)
purebred
c)
dominant
d)
recessive
31.

What is the study of genes and inheritance known as?

a)

Genetics

b)

Chemistry

c)

Physics

d)

Astronomy