Quiz about Genetics Pre-test

Question 1

The exact genetic makeup of an organism, such as RR, Tt, PP is its?

Accepted Answer

genotype

Answer

phenotype

Answer

dominance

Answer

trait

Question 2

Brown fur in mice. Phenotype or Genotype?

Accepted Answer

phenotype

Answer

genotype

Question 3

Who studied different characteristics of pea plants by cross-pollinating plants?

Accepted Answer

Gregor Mendel

Answer

Albert Punnett

Answer

Sir Isaac Newton

Answer

David Kuster

Question 4

The different forms of a gene are known as _____________.

Accepted Answer

Alleles

Answer

Codons

Answer

Proteins

Answer

Nucleotides

Question 5

How many alleles do you get from each parent?

Accepted Answer

1

Answer

2

Answer

23

Answer

46

Question 6

Which of the following is an example of a GENOTYPE?

Accepted Answer

Bb

Answer

25%

Answer

Blue

Answer

1:2:1

Question 7

Which of the following is an example of a PHENOTYPE?

Accepted Answer

Blue

Answer

25%

Answer

1:2:1

Answer

Bb

Question 8

What is another name for heterozygous?

Accepted Answer

Hybrid

Answer

Purebred

Answer

Codominant

Answer

Mixed Breed

Question 9

The chance of two heterozygous parents having an offspring who is homozygous recessive is:

Accepted Answer

25%

Answer

0%

Answer

50%

Answer

100%

Question 10

T=tall and t=short

In the Punnett squre below, what belongs in the missing square.

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 11

Recessive alleles are represented by a:

Accepted Answer

lowercase letter

Answer

Male gene

Answer

recessive trait

Answer

capital letter

Question 12

What is a gene?

Accepted Answer

a piece of a DNA on chromosome that codes for a trait

Answer

An entire chromosome that  codes for a trait

Answer

a piece of clothing

Answer

Chemical messengers in your brain that code for a trait

Question 13

Heredity is the passing of traits from _____________________ to _____________________

Accepted Answer

parents to offspring

Answer

predators to prey

Answer

water to rain

Answer

fungi to protists

Question 14

A ________________________ is a chart that shows all the possible combination of alleles that can result from a genetic cross.

Accepted Answer

Punnett Square

Answer

Mendel Grid

Answer

Genetic Tic Tac Toe

Answer

Pedigree Plot

Question 15

The mathematical chance that something will happen is known as...

Accepted Answer

probability

Answer

chance

Answer

luck

Question 16

What are the possible combinations of a pea plant with the alleles PP and a male pea plant with the alleles pp.
P= purple
p= white

Accepted Answer

all Pp

Answer

all PP

Answer

Pp,PP,Pp,PP

Answer

all pp

Question 17

B = brown fur b = white fur
In the punnett square, what is the probability for white fur?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

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