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Heredity

Total questions: 30

Worksheet time: 32mins

Name
Class
Date
1.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
2.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
3.
One trait that is ALWAYS present and causes the other traits to disappear is a ________________________
a)
recessive trait
b)
aggressive trait
c)
absent trait
d)
dominant trait
4.
True or False:  Recessive traits are ALWAYS present 
a)
True
b)
False
5.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
6.
_____________________ is the appearance of an organism, or how it looks
a)
phenotype
b)
ratio
c)
recessive trait
d)
heredity
7.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
8.
______________________ is the mathematical chance that something will happen
a)
division
b)
selective breeding
c)
ratio
d)
probability
9.
_____________________ are cells that join to make offspring
a)
speed cells
b)
sex cells
c)
pea cells
d)
pedigree cells
10.
Dominant or recessive?
tt
a)
Dominant 
b)
Recessive
11.
Dominant or recessive?
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
12.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
13.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
14.
You get your genes from:
a)
Department Store
b)
Parents
c)
Aunt
d)
Neighbor
15.
Homozygous or heterozygous?
BB
a)
Homozygous
b)
Heterozygous
16.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
pp
c)
HH
d)
aa
17.
Which of the following is heterozygous?
a)
Hh
b)
gg
c)
HH
d)
GG
18.
Jackie is homozygous recessive  for having dimples (D). What is her genotype?
a)
pp
b)
Dd
c)
dd
d)
DD
19.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
20.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
21.
AA and Aa always show up as
a)
dominant
b)
recessive
22.
aa always shows up as
a)
dominant
b)
recessive
23.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
24.

A hybrid hibiscus flower and a purebred hibiscus flower are crossed. Which statement is true of the reproductive process between the two flowers?

a)

This process demonstrates asexual reproduction

b)

The offspring are genetically identical to the parents

c)

The offspring receive most of their genes from the parent with dominant traits.

d)

Each offspring receives 50% of its chromosomes from each parent.

25.

Black is dominant to white. Cross two hybrid black bears. What is the probable outcome of the crossing?

a)

75% white and 25% black

b)

50% black and 50% white

c)

100% black

d)

75% black and 25% white

26.

Black fur color is dominant to white fur color. If a purebred black animal is crossed with a white animal, what is the probability of their offspring being white?

a)

100%

b)

0%

c)

50%

d)

75%

27.

Red is dominant to white. A set of birds has 3 red and 1 white offspring. What is most likely the genotype of the parents?

a)

RR, rr

b)

Rr,rr

c)

Rr, Rr

d)

rr, rr

28.

Tom is homozygous dominant for brown eyes. Sue has blue eyes. What is the probability that baby Joe will have blue eyes?

a)

100%

b)

25%

c)

0%

d)

75%

29.

A homozygous dominant gray rabbit was crossed with a white rabbit. What is the probable outcome of the crossing?

a)

100% gray

b)

100% white

c)

50% white 50% gray

d)

75% grey 25% white

30.

Red is dominant to white. Two plants are crossed. 3/4 of the plants are red and 1/4 are white. Which punnet square correctly demonstrates this?

a)
b)
c)
d)

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