WorksheetsHEREDITY UNIT 3
Total questions: 49
Worksheet time: 25mins
Who is known as the father of genetics
Greg Brady
Howie Mandell
Gregor Mendel
Rachell Mandell
The passing of physical characteristics from parents to offspring is know as ________________
genotype
heredity
phenotype
characteristics
The passing of physical characteristics from parents to offspring is know as ________________
genotype
heredity
phenotype
characteristics
each specific physical characteristic is called a _________
pistil
allele
purebred
trait
Genetics is ______________
the passing of physical characteristics to offspring
the science of heredity
specific characteristics
The part of the flower that produces female sex cells or eggs is the _________________________
pistil
stamen
stem
leaf
The part of the flower that makes p0llen, which contains the male sex cells or sperm is the ________________
pistil
stamen
stem
leaf
The process by which egg and sperm cells join to start forming a new organism is known as ________________
naturalization
spermentation
hereditization
fertilization
An organism that is the offspring of many generations that have the same for of a trait is a _________________
hybrid
halfbreed
purebred
purebreed
The different forms of a gene
recessive traits
dominant traits
alleles
genes
Factors that control a trait
genes
alleles
dominants
recessives
Something that always shows up in the organism
recessive allele
dominant allele
recessive trait
dominant women
When a dominant allele is present, the recessive alleles _______
run
hide
come out
show themselves
A factor that controls traits if a ____________________
characteristic
allele
gene
hybrid
The scientific study of heredity
genetics
fertilization
hereditization
hereditarianism
An organism that is the offspring of many generations that have the same form of a trait
hybred
purebred
genotype
phenotype
Capital letters represent
recessive alleles
dominant characteristics
dominant alleles
recessive characteristics
Mendel said that factors that control a trait come in_______________
triplets
quads
pairs
trios
What Mendel called factors are now called ____________
heredity
genes
purebreds
traits
When parent plants are crossed, scientists refer to the first generation offspring as _______________
P
F2
1f
F1
The alleles for a hybrid rabbit would be ______________
RR
Rr
RS
rr
A number that describes how likely it is that an event will occur is called _________________
accountability
liability
probability
percentage
A chart that shows how to apply the probability of genetics is called __________________
Punnett square
Pundit square
Punnet chart
Pundit triangle
The physical appearance or visible traits is an organism's ___________
genotype
phenobarbitol
genetic make-up
phenotype
An organisms genetic makeup is its ________________.
genotye
genius
phenotye
phenius
An organism that has two identical alleles
heterozygus
homozygous
heteronimbus
homogenous
An organism that has two different alleles is _____________
homogenous
homogenized
heterozygous
heteromanual
The physical appearance of an organism
genotype
phenotype
heterotype
homotype
A Punnet square shows the combination of ____that parents can pass on to offspring
alleles
traits
characteristics
Punnets
Which is not a phenotype
tall
short
square
heterozygous
Dancing well is influenced by _______________
inheritance
environment
inheritance and aquired
inheritance and aquired
What is the probability of producing a short tulip from a genetic cross between two hybrid tall tulips?
one in four
two in four
three in four
four in four
What did Gregor Mendel do to study different characteristics in his genetics experiments?
He cross pollinated plants
He studied only asexual plants
He studied only tall and short asparagus
He cross pollinated odd animals
What does tt mean?
two dominant alleles
heterozygus alleles
two recessive alleles
one dominant and one recessive allele
What does the word genotype mean?
color
physical appearance
genetic make-up
recessive alleles
If the offspring of a turkey has both brown and white feathers it means ________
They came from two dominant alleles
Both alleles were recessive
Many alleles worked together
The alleles for feather color are neither dominant nor recessive
A puppy (awww!) has a combination of brown and white fur (just like Larry) and has the genotype FbFw. What does this indicate?
polygenetic inheritance
multiple alleles
codominance
heterozygus
Lower case letters represent _______________
dominant alleles
recessive alleles
dominant genotypes
recessive genotypes
Four alleles determine if a piggy is white, brown, or pink. This is an example of ____________
incomplete dominance
phenotype
heterozygus
multiple alleles
The physical appearance of an organism is its _________
phenotype
gneotype
heterotype
homotype
If a yellow pansy crosses with a blue pansy and produces a purple pansy, it is an example of _____________
codominance
incomplete dominance
complete dominance
dominant dominance
Height in humans is an example of _____________
complete dominance
incomplete dominance
codominance
polygenic inheritance
In a cross that is Aa and Aa, how many boxes of the Punnett square will show an offspring that is AA?
1
2
3
4
When parent plants are crossed, scientists refer to the first generation of offspring as _________________
P
F2
1f
F1
What is the chromosome theory?
Genes are carried from parents to offspring on chomatids
Genes are carried from parents to offspring on chromosomes
Hybrid pairs of chromosomes combine to form offspring
Two sex cells combine
What happens during meiosis?
Chromosome pairs separate into two different cells.
The new cells have twice as many chromosomes
Chromosomes are not copied
Chromatids do not separate
In making predictions about offspring traits, Mendel used the math concept of _________________
predictability
probability
percent
geometry
When many generations have the same trait their offspring will most likely be _______________
hybrid
heterobred
purebred
zybred
Alleles that are neither dominant nor recessive produce __________
nondominance
dominant alleles
multiple alleles
codominance
