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Genetics!
Test Description: Review of the genetics terms.
Instructions: Answer all questions to get your test result.
1) Who is the scientist who grew peas in order to learn about inheritance (the Father of Genetics)?
A
van Leeuwenhoek
B
Newton
C
Darwin
D
Mendel
2) Another name for a physical characteristic that a parent can pass onto its offspring is a...
A
heredity
B
gene
C
trait
D
genotype
3) What is the tool scientists use to predict the probability of inheriting a trait?
A
Chance Window
B
Square
C
Punnett Square
D
Random Selection
4) When there are differences in traits among individuals in a population then we say there is...
A
homogeneity
B
excitement
C
diversity
D
genetic variation
5) A specific form of a gene is called...
A
offspring
B
a parent
C
a factor
D
an allele
6) The number that describes how likely it is that an event will occur is the ___ of the event.
A
chance
B
probability
C
genotype
D
phenotype
7) The physical appearance of an organisms is its ...
A
phenotype
B
genotype
C
heterozygous
D
homozygous
8) A homozygous has two alleles that are...
A
different
B
the same
C
1 capital letter, 1 lowercase letter
D
heterozygous
9) A ___ organisms is the offspring of many generations that have the same form of a trait.
A
purebred
B
dominant
C
hybrid
D
recessive
10) When a trait always shows up if its allele is present, it is called the ___ trait.
A
dominant
B
recessive
C
neutral
D
passive
11) The name for a trait that gets masked in the presence of a dominant one is called ___.
A
hidden
B
recessive
C
neutral
D
codominant
12) A hybrid has two alleles that are ___.
A
the same
B
2 capital letters or 2 lowercase letters
C
homozygous
D
different
13) Aa is an example of a ____ genotype.
A
homozygous
B
neutral
C
heterozygous
D
purebred
14) The genotype TT means that the 2 alleles are ___.
A
heterozygous
B
homozygous recessive
C
hybrid
D
homozygous dominant
15) The scientific study of heredity is _____.
A
heredity
B
genetics
C
inheritance
D
alleles
16) Which genotype shows a homozygous recessive pair of alleles?
A
AA
B
Aa
C
A
D
aa
17) When a parent plants are crossed, scientists refer to the first generation of offspring as ___.
A
1F generation
B
F2 generation
C
F1 generation
D
P generation
18) The genetic makeup of an organism is its ___.
A
homozygous
B
heterozygous
C
genotype
D
phenotype
19) The passing of genetic traits from parent to offspring is ___.
A
heredity
B
purebred
C
DNA
D
genetics
20) Mendel said that the factors that control a trait exist in ___.
A
all alone
B
in threes
C
in fours
D
in pairs
*select an answer for all questions
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