WorksheetsScience Unit 3 Heredity- Day 1 &2
Total questions: 14
Worksheet time: 31mins
Name
Class
Date
1.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
2.
_____________________ is the appearance of an organism, or how it looks
a)
phenotype
b)
ratio
c)
recessive trait
d)
heredity
3.
Which trait does a puppy inherit from its parents?
a)
fur color and pattern
b)
obedience to commands
c)
food brand preferences
d)
affection for a specific home
4.
What is a gene?
a)
An entire chromosome that codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
5.
What is genetics?
a)
The study of DNA nucleotides
b)
The study of heredity
c)
The study of a cell dividing into 2
d)
The study of eye color
6.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
7.
Segments of DNA are called _______________________
a)
Genes
b)
Nuclei
c)
genotypes
d)
Chromosomes
8.
This means Same allele or gene
a)
Dominant
b)
Recessive
c)
Heterozygous
d)
Homozygous
9.
Genes always appear in pairs. Your parents donate ________ allele each for every trait.
a)
1
b)
2
c)
23
d)
46
10.
This means Different allele or gene
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
11.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
12.
When humans breed dogs to look a certain way and have traits that they like, this is an example of ___________________________
a)
Probably Breeding
b)
Sectional Breeding
c)
Selective Breeding
d)
Suspended Breeding
13.
If a poodle and a bulldog had babies together, what would the puppies look like?
a)
The puppies would look like a poodle.
b)
The puppies would look like a bulldog.
c)
The puppies would have no ears.
d)
The puppies would look like a mixture of a poodle and a bulldog.
14.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
100 %
