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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
Newton
B
van Leeuwenhoek
C
Darwin
D
Mendel
2) Another name for a physical characteristic that a parent can pass onto its offspring is a...
A
genotype
B
gene
C
heredity
D
trait
3) What is the tool scientists use to predict the probability of inheriting a trait?
A
Square
B
Chance Window
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
genetic variation
C
excitement
D
diversity
5) A specific form of a gene is called...
A
an allele
B
a parent
C
offspring
D
a factor
6) The number that describes how likely it is that an event will occur is the ___ of the event.
A
genotype
B
chance
C
probability
D
phenotype
7) The physical appearance of an organisms is its ...
A
homozygous
B
phenotype
C
genotype
D
heterozygous
8) A homozygous has two alleles that are...
A
different
B
the same
C
heterozygous
D
1 capital letter, 1 lowercase letter
9) A ___ organisms is the offspring of many generations that have the same form of a trait.
A
recessive
B
hybrid
C
purebred
D
dominant
10) When a trait always shows up if its allele is present, it is called the ___ trait.
A
recessive
B
dominant
C
passive
D
neutral
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
homozygous
B
2 capital letters or 2 lowercase letters
C
different
D
the same
13) Aa is an example of a ____ genotype.
A
neutral
B
purebred
C
heterozygous
D
homozygous
14) The genotype TT means that the 2 alleles are ___.
A
hybrid
B
homozygous dominant
C
homozygous recessive
D
heterozygous
15) The scientific study of heredity is _____.
A
heredity
B
inheritance
C
alleles
D
genetics
16) Which genotype shows a homozygous recessive pair of alleles?
A
A
B
AA
C
Aa
D
aa
17) When a parent plants are crossed, scientists refer to the first generation of offspring as ___.
A
P generation
B
1F generation
C
F2 generation
D
F1 generation
18) The genetic makeup of an organism is its ___.
A
genotype
B
homozygous
C
heterozygous
D
phenotype
19) The passing of genetic traits from parent to offspring is ___.
A
DNA
B
genetics
C
purebred
D
heredity
20) Mendel said that the factors that control a trait exist in ___.
A
in fours
B
all alone
C
in pairs
D
in threes
*select an answer for all questions
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