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Genetic vocabulary quiz 1

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

Adenine, guanine, cytosine, thymine.

a)

Nucleotides

b)

Bases

c)

DNA

d)

Chromosomes

2.

an attribute of an individual, e.g. tall plant, brown hair, blue eyes.

a)

Gene

b)

allele

c)

phenotype

d)

Characteristic

3.

strand of DNA which contains many genes. A normal human cell has 23 pairs.

a)

Chromosome

b)

Gene

c)

Allele

d)

DNA

4.

Complementary base pairing rules

a)

A-T, G-C

b)

A-G, T-C

c)

T-G, A-C

d)

C-T, G-A

5.

A piece of DNA which codes for a particular protein and therefore a characteristic e.g. tongue rolling.

a)

Allele

b)

Phenotype

c)

Gene

d)

Genotype

6.

attractive forces that hold the two strands of DNA together

a)

James Bonds

b)

Covalent Bonds

c)

ionic bonds

d)

Hydrogen bonds

7.

a group that alternates with the ribose sugar in a DNA backbone.

a)

nucleotide

b)

Phosphate

c)

Base

d)

sugar

8.

genetic code made by a sequence of three bases in the DNA e.g. AAA, GCT, CAT etc.

a)

Trike code

b)

Tripe code

c)

Triple code

d)

Triplet code

9.

The differences among parents and their offspring or among individuals in a population.

a)

Variation

b)

changes

c)

Characteristics

d)

Genes

10.

Another word for characteristics e.g. brown hair is an example.

a)

Genes

b)

Type

c)

Trait

d)

Chromosomes

11.

a sugar group that alternates with the phosphate group in the DNA backbone.

a)

Ribose

b)

Ribena

c)

Ribulose

d)

Ribald

12.

Karyotype

a)

A photograph made of a cell.

b)

a photograph of the DNA molecule showing the base pairs.

c)

a photograph of an allele

d)

a photograph or diagram of the chromosomes of a cell arranged in an orderly fashion

13.

Different version of a gene that occupy the same position on homologous (similar) chromosomes.

a)

Gene

b)

Allele

c)

DNA

d)

Amino acid

14.

Mutation

a)

This is a sudden, permanent change in a gene or whole chromosome.

b)

Damage to the DNA which can be repaired.

c)

Caused by an injury.

d)

radiation.

15.

The part of a cell which contains the DNA

a)

cytoplasm

b)

nuclear membrane

c)

nucleus

d)

cell membrane

16.

What is the arrow pointing to?

a)

Phenotype

b)

genotpe

c)

allele

d)

gene

17.
One of a pair of genes that determines a specific trait.
a)
dominant
b)
recessive
c)
homozygous
d)
alleles
18.
A sequence of DNA that codes for a protein and determines a trait.
a)
Sister Chromatid
b)
Homologous Chromosomes
c)
Genetics
d)
Gene