Quiz about Mendel and Laws of Inheritance

Question 1

Pairs of genes that control the same trait are known as

Accepted Answer

allelles

Answer

gametes

Answer

hybrids

Answer

loci

Question 2

If green is dominant over purple, then what is the genotype for this individual?

Accepted Answer

gg

Answer

Purple

Answer

Green

Answer

GG

Question 3

Which is the correct phenotype for this organism?

Accepted Answer

blue

Answer

BB

Answer

green

Answer

bb

Question 4

If something is heterozygous, it is also...

Accepted Answer

hybrid

Answer

purebred

Answer

dominant

Answer

recessive

Question 5

Tt is-

Accepted Answer

heterozygous

Answer

homozygous dominant

Answer

homozygous recessive

Answer

none of these

Question 6

A phenotype is the...

Accepted Answer

physical appearance

Answer

letter combination

Answer

dominant gene

Answer

recessive gene

Question 7

Recessive alleles are-

Accepted Answer

lowercase

Answer

capital

Answer

both

Answer

neither

Question 8

Which of Mendel's laws explains why a sibling will look different than another sibling but both will have a combination of the parents' various traits?

Accepted Answer

Law of Independent Assortmen

Answer

Law of Dominance

Answer

Law of Segregation

Answer

Theory of Evolution

Question 9

Different forms a gene may have for a trait.

Accepted Answer

allele

Answer

chromosome

Answer

gene

Answer

mutation

Question 10

Studied pea plants and discovered that inheritance of traits follow particular laws.

Accepted Answer

Gregor Mendel

Answer

Francis Crick

Answer

Rosalind Franklin

Answer

James Watson

Question 11

Who is the "father of genetics"?

Accepted Answer

Gregor Mendel

Answer

Hargobind Khurana

Answer

Robert Hooke

Answer

None of the above

Question 12

Why did Mendel study pea plants?

Accepted Answer

all of the above

Answer

because he could control the mating between plants

Answer

because they have easily identifiable traits

Answer

because both self-pollination and cross-pollination is possible

Question 13

Which of the following laws claims that alleles will separate during meiosis, one going to half the sex cells, the other allele going to the other half.

Accepted Answer

Law of Segregation

Answer

Law of Domination

Answer

Law of Speciation

Answer

Law of Genetics

Question 14

Which of the following laws claims that alleles will come together independently of each other in the offspring?

Accepted Answer

Law of Independent Assortment

Answer

Law of Probable Expression

Answer

Law of Typical Collection

Answer

Law of Assorted Assignment

Question 15

What word would be INCORRECT to describe "QQ"

Accepted Answer

recessive

Answer

homozygous

Answer

dominant

Answer

genotype

Question 16

If Y (yellow) is the dominant allele for pea plant seed color, which of the following would produce green seeds?

Accepted Answer

yy

Answer

Yy

Answer

YY

Answer

gg

Question 17

Which of the following genotypes is heterozygous?

Accepted Answer

Bb

Answer

BB

Answer

bb

Answer

B

Question 18

Which of the following is homozygous recessive?

Accepted Answer

tt

Answer

Tt

Answer

TT

Answer

T

Question 19

Aa, DD, bB, yy are all examples of

Accepted Answer

genotypes

Answer

phenotypes

Question 20

Which of the following is a phenotype?

Accepted Answer

red hair

Answer

Aa

Answer

heterozygous

Answer

DNA

Question 21

Who is the father of modern genetics and what did they study?

Accepted Answer

Gregor Mendel - pea plants

Answer

Gregor Mendel - oak trees

Answer

Lebron James - daffodils

Answer

Buzz Aldrin - mushrooms

Question 22

If R is brown hair and r is blond hair, which genotype will have blond hair?

Accepted Answer

rr

Answer

RR

Answer

Rr

Answer

all of these will be blonde

Question 23

Gregor Mendel demonstrated that the inheritance of genetic traits is determined by -

Accepted Answer

one allele from mom and one allele from dad

Answer

two alleles from mom

Answer

two alleles from dad

Answer

depends on the offspring

Question 24

When is a recessive allele expressed in offspring?

Accepted Answer

when two copies are present

Answer

when parents have no dominant alleles

Answer

when the offspring is heterozygous

Answer

when one copy is present

Question 25

Recessive alleles may not be expressed because they are

Accepted Answer

masked by a dominant allele

Answer

the least common allele in a population.

Answer

the most common allele in a population.

Answer

less likely to have crossing over.

Question 26

Mendel's law of segregation states that during meiosis, the alleles that control each trait separate, and only _________________ from each pair is/are passed to the offspring

Accepted Answer

one allele

Answer

the dominant trait

Answer

two alleles

Answer

the recessive trait

Question 27

In pea plants, the trait for tall stems is dominant over the trait for short stems. If two heterozygous tall plants are crossed, what percentage of the offspring would be expected to have the same phenotype as the parents?

Accepted Answer

75%

Answer

100%

Answer

50%

Answer

25%

Question 28

D = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?

Accepted Answer

dd

Answer

DD

Answer

Dd

Question 29

Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?

Accepted Answer

RR

Answer

Rr

Answer

rr

Question 30

Long hair is a dominant trait. Choose the BEST statement.

Accepted Answer

This guinea pig could be homozygous dominant (HH) or heterozygous (Hh)

Answer

This guinea pig definitely received two dominant traits. (HH)

Answer

This guinea pig cannot have a recessive allele. (h)

Answer

This guinea pig is homozygous recessive (hh)

Question 31

This little guy has a recessive trait. Choose the best statement.

Accepted Answer

Both parents gave him an "h". (hh)

Answer

He has one "H" and one "h".

Answer

He will die without hair.

Answer

He is a baby and his hair will grow in a few more days.

Question 32

The fact that each parent only passes on ONE allele to each offspring is the Law of ...

Accepted Answer

Segregation

Answer

Independent Assorment

Answer

Division

Answer

Meiosis

Question 33

In each case where Mendel crossed true breeding plants as parents, the offspring displayed only one of the two traits seen in the parents. This observation supports Mendel's principle of _________.

Accepted Answer

dominance

Answer

segregation

Answer

independent assortment

Answer

inheritance

Question 34

The idea that for any particular trait, the pair of alleles of each parent separate and only one allele from each parent passes to an offspring is Mendel's principle of:

Accepted Answer

Segregation

Answer

Independent Assortment

Answer

Dominance

Answer

Genetics

Mendel and Laws of Inheritance

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