Quiz about Mendelian Genetics and Punnet Squares

Question 1

Which of the following is the homozygous recessive genotype?

Accepted Answer

rr

Answer

AA

Answer

TT

Answer

Ff

Question 2

Which of the following is the homozygous dominant genotype?

Accepted Answer

MM

Answer

Jj

Answer

Rr

Answer

ee

Question 3

The physical appearance of a trait is known as the:

Accepted Answer

phenotype

Answer

genotype

Answer

Homozygous

Answer

intelligence

Question 4

Mary's genotype is heterozygous for head shape. If (R) is for Round head, and (r) is for Egg head, what is Mary's genotype?

Accepted Answer

Rr

Answer

RR

Answer

rr

Answer

rR

Question 5

What is the probability of heterozygous offspring in this cross?

Accepted Answer

2/4 or 50%

Answer

1/4 or 25%

Answer

0/4 or 0%

Answer

4/4 or 100%

Question 6

In plants, tall (T) is dominant to short (t).

Draw a punnett square and perform the following cross: Tt x Tt

What is the probability of producing a short plant?

Accepted Answer

25%

Answer

0%

Answer

50%

Answer

75%

Question 7

What allele combination should go in the missing box?

Accepted Answer

Aa

Answer

AA

Answer

aa

Answer

none of these

Question 8

Phenotype determines genotype

Accepted Answer

False

Answer

True

Question 9

What genotype would go in box 2? And is it Homozygous or Heterozygous?

Accepted Answer

Bb Heterozygous

Answer

BB Heterozygous

Answer

bb Homozygous

Answer

Bb Homozygous

Question 10

Both parents in this Punnet square

Accepted Answer

are heterozygous

Answer

are homozygous dominant

Answer

are homozygous recessive

Answer

have blue eyes

Question 11

The dominant trait is

Accepted Answer

yellow pea seeds

Answer

green pea seeds

Answer

there is no dominant seed

Answer

Jolly green giant

Question 12

To be a yellow the seed's genotype must be

Accepted Answer

AA or Aa

Answer

aa

Answer

Aa

Answer

AA

Question 13

How do two plants with purple flowers produce offspring with white flowers?

Accepted Answer

Both parental flowers are heterozygous and can pass on the white allele

Answer

They cant have white flowered offspring

Answer

They are both homozygous dominant

Answer

They do not have the recessive allele in their genotype

Question 14

To express the recessive trait you must be

Accepted Answer

homozygous recessive

Answer

homozygous dominant

Answer

heterozygous

Question 15

Which of the following is a phenotype?

Accepted Answer

red hair

Answer

Aa

Answer

heterozygous

Answer

DNA

Question 16

Heterozygous means

Accepted Answer

having two different alleles for the same trait

Answer

having two identical alleles for a particular trait

Answer

the physical characteristics of an organism; shows the dominate trait

Answer

the set of genes in our DNA which is responsible for a particular trait

Question 17

Homozygous means

Accepted Answer

having two identical alleles for a particular trait

Answer

having two different alleles for the same trait

Answer

the physical characteristics of an organism; shows the dominate trait

Answer

the set of genes in our DNA which is responsible for a particular trait

Question 18

Genotype means

Accepted Answer

the set of alleles which is responsible for a particular trait

Answer

having two identical alleles for a particular trait

Answer

having two different alleles for the same trait

Answer

the physical characteristics of an organism; shows the dominate trait

Question 19

Gregor Mendel is known as the ______________________.

Accepted Answer

Father of Genetics

Answer

Father of Modern Medicine

Answer

Father of the Green Revolution

Answer

Pea Plant Man

Question 20

What organism did Gregor Mendel use to discover the principles that rule heredity?

Accepted Answer

Pea Plant

Answer

Pigeons

Answer

Pear trees

Answer

Photosynthesis

Question 21

Mendel was able to infer how genes were passed down from parents to offspring. He did it by:

Accepted Answer

using mathematics

Answer

using microscopes

Answer

guessing

Answer

praying at the monastery

Question 22

What do we call the table used to calculate the probability of an offspring's genotype?

Accepted Answer

Punnett square

Answer

Venn diagram

Answer

Golden ratio

Answer

Fibonacci sequence

Question 23

Which is the correct phenotype for this organism?

Accepted Answer

blue

Answer

BB

Answer

green

Answer

bb

Question 24

Phenotype means

Accepted Answer

the physical characteristics of an organism; shows the dominate trait

Answer

having two identical alleles for a particular trait

Answer

having two different alleles for the same trait

Answer

the set of alleles which is responsible for a particular trait

Mendelian Genetics and Punnet Squares

24 questions

Which of the following is the homozygous recessive genotype?

Which of the following is the homozygous dominant genotype?

The physical appearance of a trait is known as the:

Mary's genotype is heterozygous for head shape. If (R) is for Round head, and (r) is for Egg head, what is Mary's genotype?

What is the probability of heterozygous offspring in this cross?

In plants, tall (T) is dominant to short (t).

Draw a punnett square and perform the following cross: Tt x Tt

What is the probability of producing a short plant?

What allele combination should go in the missing box?

Phenotype determines genotype

What genotype would go in box 2? And is it Homozygous or Heterozygous?

Both parents in this Punnet square

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