WorksheetsHeredity
Total questions: 21
Worksheet time: 10mins
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.
Homozygous or heterozygous?
BB
BB
a)
Homozygous
b)
Heterozygous
5.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
6.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
Pp
c)
HH
d)
aa
7.
Which of the following is heterozygous?
a)
Hh
b)
gg
c)
HH
d)
GG
8.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
9.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
10.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
11.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
12.
Traits that are developed as a results of your environment and experiences
a)
Inherited
b)
Acquired
13.
Living organisms inherit many traits from their parents. However, some traits are ____________ or learned from the environment,
a)
given
b)
acquired
c)
forced
14.
Which best describes an inherited trait?
a)
a characteristic one chooses to express
b)
a characteristic one receives from the food one eats
c)
a characteristic that is passed on from one's parents
d)
a characteristic that is influenced by one's surroundings
15.
Playing an instrument
a)
Acquired
b)
Inherited
16.
An organism's physical appearance or other detectable characteristic
a)
Genotype
b)
Phenotype
c)
Genetics
d)
Heterozygous
17.
Genetic makeup (Ex. HH, Hh, hh)
a)
Genotype
b)
Phenotype
c)
Heterozygous
18.
"father of genetics"
a)
Dr. Robbins
b)
James Watson
c)
Francis Crick
d)
Gregor Mendel
19.
A single piece of coiled DNA found in the cells; contains genes that encode traits.
a)
Gene
b)
Trait
c)
Chromosomes
d)
DNA
20.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
DNA
c)
trait
d)
gene
21.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
RNA
b)
DNA
c)
GNA
d)
BNA
100 %
