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Genetics Vocabulary

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A change in the sequence of DNA

a)

mutation

b)

genetics

c)

gene

d)

heredity

2.

The structure in the nucleus that contains the DNA

a)

gene

b)

chromosome

c)

genotype

d)

trait

3.

A type of reproduction that involves two parents.

The offspring look different from the parents.

a)

heredity

b)

phenotype

c)

sexual reproduction

d)

asexual reproduction

4.

The passing of traits from parents to offspring is called ____.

a)

phenotype

b)

pedigree

c)

genetics

d)

heredity

5.

A type of reproduction that involves one parent. The offspring look genetically identical to the parent.

a)

asexual reproduction

b)

sexual reproduction

c)

genotype

d)

alleles

6.

A tool that is used in genetics that is an organized way to predict offspring.

a)

alleles

b)

pedigree

c)

Punnett Square

d)

DNA

7.

The genetic material that provides the instructions for life. (blueprint for life)

a)

chromosome

b)

genes

c)

DNA

d)

alleles

8.

The breeding of organisms with desirable traits.

a)

Punnett square

b)

selective breeding

c)

pedigree

d)

meiosis

9.

The set of instructions that is found in DNA

a)

phenotype

b)

meiosis

c)

trait

d)

gene

10.

The different variations of a gene. Letters are used to represent each version.

For example: B - brown or b - blue

a)

genes

b)

alleles

c)

trait

d)

phenotype

11.

The process that creates new cells for the body

a)

mitosis

b)

meiosis

c)

mutation

d)

selective breeding

12.

The pairing of two different alleles. Also called hybrid.

Example is Tt.

a)

homozygous

b)

heterozygous

c)

dominant

d)

genotype

13.

The study of heredity is called ____.

a)

traits

b)

heredity

c)

genetics

d)

pedigree

14.

The pairing of two of the same alleles. Also called purebred. Example: TT or tt

a)

recessive

b)

genotype

c)

homozygous

d)

heterozygous

15.

The process that creates sex cells or gametes.

a)

mitosis

b)

meiosis

c)

selective breeding

d)

alleles

16.

An organism's physical appearance of a trait.

It is what you see.

a)

phenotype

b)

genotype

c)

trait

d)

dominant

17.

A diagram that traces a trait through generations of a family.

a)

Punnett square

b)

phenotype

c)

genotype

d)

pedigree

18.

The genetic makeup of an organism.

It is represented using pairs of letters such as TT, Tt, or tt.

a)

DNA

b)

genes

c)

phenotype

d)

genotype

19.

The trait that always shows itself.

Represented using a capital letter.

a)

gene

b)

mitosis

c)

dominant

d)

recessive

20.

The trait that is hidden by a dominant.

It is represented with a lowercase letter.

It only shows up if you get two lowercase letters.

a)

alleles

b)

genotype

c)

dominant

d)

recessive