Free Printable DNA , Genetics and Mutations

Worksheets

DNA , Genetics and Mutations

Total questions: 26

Worksheet time: 18mins

Name

Class

Date

Which shows the correct complementary base pairing for DNA?

C-A, T-G

A-G, C-T

C-G, U-A

T-A, G-C

Which organelle is DNA usually found in?

cell membrane

vacuole

ribosome

nucleus

Which of the following is a codon?

AAGA

ATAU

AUG

AUT

This type of RNA takes a copy of the genetic code for a protein from the nucleus to the ribosomes.

mRNA

tRNA

gRNA

rRNA

Which of the following cell types is formed by meiosis?

skin cells

sperm cells

blood cells

muscle cells

Which of the following statements correctly describes meiosis?

Meiosis does not occur in reproductive cells.

The cells produced at the end are identical

the cells produced at the end contain half the # of chromosomes

cells divide only once during meiosis

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ____ occurs.

mutagenesis

hybridization

crossing over

fertilization

It is a form of a gene:

a. chromosome

b. allele

c. phenotype

trait

It is the genetic make-up of an organism:

a. allele

b. phenotype

c. genotype

hybrid

10.

There are two different alleles in a particular gene:

a. homologous

b. heterozygous

c. homozygous

Pure bred

11.

A genotype in which the two alleles are the same

divergent

heterozygous

homozygous

convergent

12.

The physical appearance of a trait or characteristic

genotype

phenotype

genetic code

RNA

13.

The following picture represents what pattern of inheritance?

Complete dominance

Incomplete dominance

Co-dominance

Sex-linked inheritance

14.

The following picture represents what pattern of inheritance?

Complete dominance

Incomplete dominance

Co-dominance

Multiple Alleles

15.

In the blood type Punnett square shown, what is the probability the offspring will inherit each blood type?

50% A, 25% B, 0% AB, 25% O

25% A, 50% B, 25% AB, 0% O

50% A and 50% B

25% AB, 50% A, 25% O

16.

A trait that is carried on the X or Y chromosome is called:

Polygenic

Incompletely dominance

Sex-linked

Epistatic

17.

Which gender is more likely to inherit an X-linked, recessive trait and why?

Females - 2 X chromosomes

Males - only 1 X chromosome

Females - no Y chromosome

Males - the Y chromosome is smaller than the X chromosome

18.

Mendel's Law of Segregation states that during gamete formation, each pair of alleles ___________

Stays together

is connected

Separates

is destroyed

19.

The Law of Independent Assortment states that the alleles an organism inherits from its parents is ____________________

determined by a Punnett Square

completely random

easily predicted

dependent on other alleles.

20.

The fact that the offspring show new combinations of traits proves that alleles ___________________

Stick together

Depend on each other

Are alway inherited together

Assort independently

21.

Any change in the sequence of DNA is...

transgenic shift

Single Genotype

Monohybrid Trait

Mutation

22.

ATT-TGA-GCC- Original

ATT-GAG-CC - Mutated

The example above is an example of a

Insertion- Frameshift

Deletion- Substitution

Deletion -Frameshift

All of the above

23.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

Substitution

Deletion

Insertion

Inversion

24.

Which piece of DNA would move faster in gel electrophoresis?

100 Base Pairs Long

1000 Base Pairs Long

5000 Base Pairs Long

100,000 Base Pairs Long

25.

What is shown here?

DNA Microarrays

Virus Scans

Recombinant DNA

DNA Fingerprints

26.

A member of group of genetically identical cells produced from a single cell is called

Vector

Clone

Hybrid

Genome

Reset

DNA , Genetics and Mutations

Total questions: 26

Worksheet time: 18mins

Similar Resources on Wayground