Quiz about Heredity & Traits Quiz

Question 1

Which of the following is heterozygous?

Accepted Answer

Mm

Answer

MM

Answer

mm

Question 2

Which of the following is homozygous dominant?

Accepted Answer

RR

Answer

Rr

Answer

rr

Question 3

Which of the following is homozygous recessive?

Accepted Answer

qq

Answer

QQ

Answer

Qq

Question 4

What term denotes the physical expression of a gene?

Accepted Answer

phenotype

Answer

genotype

Answer

appearance

Answer

homologous

Question 5

Which of the following would produce a recessive phenotype?

Accepted Answer

hh

Answer

Rr

Answer

Ww

Answer

BB

Question 6

What organism did Mendel study?

Accepted Answer

pea plants

Answer

onions

Answer

mice

Answer

cats

Question 7

T - tall and t = short
In the punnett square below, what belongs in the missing square

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 8

Dominant alleles are represented by a:

Accepted Answer

capital letter

Answer

Male gene

Answer

lowercase letter

Answer

recessive trait

Question 9

A ________________________ is used to predict the possible genotype from certain parents

Accepted Answer

Punnett Square

Answer

Mendel Grid

Answer

Genetic Tic Tac Toe

Answer

Pedigree Plot

Question 10

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 11

___________________________ is the field of science that studies of how traits are passed on, or inherited.

Accepted Answer

genetics

Answer

dominant traits

Answer

ratio

Answer

phenotype

Question 12

Which is a true statements about this picture?

Accepted Answer

Brown is dominant

Answer

Brown is recessive

Answer

Blue is dominant

Answer

Blue is codominant

Question 13

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 14

If brown hair is represented by the allele "B" and blond hair is represented by the allele "b" then what must be the genotype of someone who has blond hair?

Accepted Answer

bb

Answer

BB

Answer

Bb

Answer

either BB or Bb

Question 15

What is a phenotype?

Accepted Answer

the physical traits expressed

Answer

the alleles in an organism

Answer

the genetic code

Answer

a fake gene

Question 16

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

Accepted Answer

probability

Answer

chance

Answer

luck

Question 17

The different forms of genes are known as

Accepted Answer

alleles

Answer

environment

Answer

probability

Answer

traits

Question 18

What would the ratio for genotypes be for this Punnett Square?

Accepted Answer

2Bb:2bb

Answer

2BB:2Bb

Answer

1BB:2Bb:1bb

Answer

4Bb

Question 19

Gregor Mendel is often called ....

Accepted Answer

The father of genetics.

Answer

The father of heredity.

Answer

The king of peas

Answer

The father of punnett squares.

Question 20

Why did Gregor Mendel use the plants he did in his experiments? (Choose all that apply)

Accepted Answer

They grow really quickly

Accepted Answer

They can self pollinate

Answer

They grow really slowly

Answer

They are blue, green, and red.

Question 21

True or False: A trait is a characteristic passed from one generation to another.

Accepted Answer

True

Answer

False

Question 22

What is the probability of heterozygous offspring?

Accepted Answer

50%

Answer

25%

Answer

0%

Answer

100%

Question 23

What is the phenotype of the offspring? (A-Brown hair; a-blond hair)

Accepted Answer

75 % Brown Hair and 25% Blond Hair

Answer

50 % Brown Hair and 50% Blond Hair

Answer

25 % Brown Hair and 75% Blond Hair

Answer

0% Brown Hair and 100% Blond Hair

Question 24

What is the dominant trait?

Accepted Answer

yellow pea seeds

Answer

green pea seeds

Answer

there is no dominant seed

Answer

Jolly green giant

Question 25

Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

Accepted Answer

23, 46

Answer

10, 20

Answer

25, 100

Answer

46, 92

Question 26

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

Accepted Answer

25%

Answer

0 %

Answer

50%

Answer

75%

Question 27

What are the possible genotypes for this cross?

Accepted Answer

TT = 25% Tt= 50% tt=25%

Answer

all tall

Answer

TT= 75% tt = 25%

Answer

Tt = 100%

Question 28

In Andalusian fowls, black individuals (BB) and white individuals (bb) are homozygous. Heterozygous individuals are grey (Bb).
Cross a black fowl with a white fowl. What is the phenotype ratio?

Accepted Answer

0 black: 4 grey: 0 white

Answer

4 black: 0 grey: 0 white

Answer

2 black: 2 grey: 0 white

Answer

0 black: 2 grey: 2 white

Question 29

This law describes how each homologous pair separates independently of any other pairs during Anaphase I of meiosis

Accepted Answer

Law of Independent Assortment

Answer

Law of Segregation

Answer

Law of Gravity

Answer

Law of Mathematical Order

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