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Genetics Vocabulary

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

the father of genetics

a)

James Watson

b)

Robert Hooke

c)

Gregor Mendel

d)

Reginald Punnett

2.

the science that studies how traits are inherited through the interactions of alleles

a)

heredity

b)

genetics

c)

biology

3.

The study of heredity

a)

botany

b)

heredity

c)

genetics

d)

geophysics

4.

The basic unit of heredity that consists of a segment of DNA on a chromosome

a)

chromosome

b)

double helix

c)

homozygous

d)

gene

5.

One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

a)

alleles

b)

DNA

c)

dominant gene

d)

inherited

6.

Deoxyribonucleic acid, a double stranded helical molecule that carries genetic information.

a)

dominant gene

b)

chromosomes

c)

DNA

d)

gene

7.

the child or young of two parents

a)

phenotype

b)

species

c)

purebred

d)

offspring

8.

A distinguishing characteristic or quality, a feature that is inherited such as flower color, hair color, and height.

a)

hybrid

b)

trait

c)

chromosomes

d)

heredity

9.

Genetic makeup of an animal or plant

a)

phenotype

b)

inherited trait

c)

homozygous

d)

genotype

10.

physical features of an animal

a)

phenotype

b)

recessive gene

c)

inherited trait

d)

heredity

11.

the passing of traits from a parent to its offspring

a)

hybrid

b)

Heterozygous

c)

heredity

d)

Homozygous

12.

a gene whose expression can be hidden

a)

recessive gene

b)

dominant gene

13.

a gene that can hide the effect of a recessive gene

a)

dominant gene

b)

recessive gene

14.

A chart used to show all the ways genes from two parents can combine and be passed to offspring is a

a)

Pie chart

b)

Line graph

c)

Bar graph

d)

Punnett Square

15.

The likelihood or chance that a specific outcome will occur out of a total number of outcomes

a)

heredity

b)

probability

c)

percentage

d)

ratio

16.

An organism that inherits two different alleles from its parents

a)

dominant

b)

recessive

c)

homozygous

d)

heterozygous

17.

blue eyes, curly hair

a)

genotype

b)

phenotype

18.

Tt, BB, rr

a)

genotype

b)

phenotype

19.

TT, tt

a)

homozygous

b)

heterozygous

20.

Rr, Ff

a)

homozygous

b)

heterozygous