Font size
WorksheetsLS - Genetics & Probability - MS-LS1-4 -- MS-LS3-2
Total questions: 93
Worksheet time: 2hrs 33mins
Match Reproduction & Genetics terms
what an animal does
behavior
female part of a flower
pistil
male part of flower
stamen
available facts
evidence
form of a gene
allele
The process of fertilizing flowers by transferring pollen from the male (stamen) to female (pistil) parts.
Germination
Pollination
Reproduction
Genotype
Animals engage in characteristic behaviors that help _____ the odds of being able to reproduce in animals.
increase
decrease
hypothesize
recessive
A (a) is a distinct sequence of nucleotides of DNA that codes for a specific trait, such as eye color or hair color.
When sea turtles are born, they immediately start heading towards the ocean. This behavior does not have to be taught. This behavior is _________.
Conditioned
Imprinting
Instinct
Learned
Male bower birds in Australia make and decorate elaborate nest-like structures called bowers. Why do these male birds exhibit this behavior?
To attract prey easily
To make a pretty home
To warn predators to stay away
To attract a potential mate
Courtship behavior __________ the chances of successful reproduction.
decreases
increases
does not affect
Match the following terms with the courtship behavior.
Colors
The more colorful a peacock's feathers, the more likely it is to attract a mate
Vocalization
Some birds have have specific songs they sing to attract a mate
Battle
Deer, elk, and rams have horns so they can battle other males for a female
Dancing
Many birds have specific movements they do to attract a mate
Construction
Some animals build structures to attract a mate
Cardinals are found all throughout the US. The females are typically gray or brown. However, the males are a bright red color. Why do males have this color?
It helps them find insects
It helps them stay warm in the winter
To attract a mate
To warn predators
Why does the herding of animals, like caribou, increase the likelihood of survival and successful reproduction?
Herding allows for more awareness of predators
Herding makes parasitic infection less likely
Herding decreases competition for food
Herding reduces the spread of disease
What is the genotype for this letter code: LL
homozygous dominant
homozygous recessive
heterozygous dominant
The passing of genetic traits from parent to offspring is known as
heredity
embryology
anatomy
botany
astronomy
Who is the famous scientist who founded the modern science of genetics by studying pea plants and their traits?
For this he is known as the "father of genetics".
Jane Goodall
How many alleles does a person carry for a trait?
1
2
3
4
Dominant alleles are represented by a ---
capital letter.
lowercase letter.
vowel
square
How many alleles does a child get from each parent for a trait?
1
2
3
4
How many alleles does a person carry for a trait?
1
2
3
4
Aa, DD, Bb, yy are all examples of ---
genotypes.
phenotypes.
What you see, or the physical appearance of an organism, is called the ---
genotype.
phenotype.
Which gender has an X and a Y chromosome?
male
female
How many alleles does a person carry for each trait?
(a)
How many alleles does a child get from each parent for a trait?
(a)
The different forms of a gene.
Genes
Allele
Phenotype
Pedigree
The scientific study of heredity.
Genetics
Heredity
Probability
Pedigree
Which of the following shows how a trait is passed through multiple generations of a family?
Family Square
Genetic Chart
Punnett Square
Pedigree Chart
What is a tool used to predict which genes an offspring can inherit?
Punnett Square
Pedigree Chart
Genetic Chart
Family Square
Identify the individual III-4
Identify the individual II-4
On a pedigree, this symbol represents a/an ---
not affected female.
not affected male.
affected male.
affected female.
On a pedigree, this symbol represents a/an ----
not affected male.
not affected female.
affected male.
affected female.
How are individuals III-2 and II-4 related?
Brother and sister
Dad and daughter
Uncle and niece
Grandfather and granddaughter
Carriers are represented by half shaded symbols.
Which individual in the first generation is a carrier?
I-1
I-2
What belongs in the last box?
RR
Rr
rr
ff
Look at the punnett square. What is the probability that the offspring would have homozygous alleles for the trait?
100%
75%
50%
25%
0%
Fill in the Yellow Box
Bb
BB
bb
What is the probability & phenotype of the offspring? (A-Brown hair; a-blond hair)
50% Brown Hair and 50% Blond Hair
25 % Brown Hair and 75% Blond Hair
75 % Brown Hair and 25% Blond Hair
0% Brown Hair and 100% Blond Hair
When seeds are spread away from the parent plant by animals, wind, or water.
cross-pollination
fertilization
formation of fruit
seed dispersal
germination
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
move to the same place and grow
move further away from the parent plant
compete with one another for minerals in the soil
What is the process called where a sperm and egg make a zygote?
Fertilization
Budding
Fragmentation
How many genes do identical twins share?
90%
100%
50%
0%
How many genes do fraternal twins share?
100%
0%
90%
50%
Fraternal twins (not identical twins) are not identical because...
they inherit totally different combinations of genes from their parents.
they one fertilized egg splits into two cells. The two cells have exactly the same genes.
Identical twins are identical because...
they inherit totally different combinations of genes from their parents.
the one fertilized egg splits into two cells. The two cells have exactly the same genes.
Match key genetics ideas
How many genes do fraternal twins share?
50%
How many genes do identical twins share?
100%
the likelihood of something happening
probability
a cross of two individuals that shows ONE different trait
monohybrid cross
passing genetic traits from parent to offspring
heredity
What is the dominant allele of this Punnett square?
b
g
G
gg
How many children does the first couple have?
3
6
0
12
An organism that has two identical alleles for a trait (example: BB or bb).
Heterozygous
Homozygous
An organism that has two different alleles for a trait (example: Bb)
Heterozygous
Homozygous
The study of the heredity and variation of organisms.
Cancer
Dominant traits
Genetics
Pedigrees
Label the correct parts of a pedigree
Oldest Generation
Current Generation
Expressed Trait
Tall Pea Plants are dominant over Short Pea Plants.
Check the TWO boxes for the genotype that matches:
Phenotype = Tall
TT
Tt
tt
tT
Tall Pea Plants are dominant over Short Pea Plants.
Check all the boxes for the genotype that matches:
Phenotype = Short
TT
Tt
tt
tT
A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?
3/10
3/9
1/10
1/9
A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a blue?
2/10
3/9
1/10
1/9
6/10
Genetic information is transmitted from parents to offspring through
cell division
genes
learning
metamorphosis
In plants, what is responsible for passing traits from one generation to the next?
chloroplasts
photosynthesis
roots
genes
Which is an example of an instinct?
a dog obeys a command from a trainer
a bird builds a nest in order to lay its eggs
a hamster runs through a maze to get to the food at the other end
a cat goes to the food bowl when its owner walks in the kitchen
Plants reproduce in ________, sometimes depending on animal behavior and specialized features for reproduction.
a variety of ways
only one way
heterozygous
homozygous
Identical twins are formed from the same sperm and egg, and ____ twins form from two separate sperm and eggs.
fraternal
identical
dancing
offspring
Variations of inherited traits between parent and offspring arise from genetic differences that result from the subset of chromosomes inherited. These differences result from ____.
meiosis
mitosis
A monohybrid cross of two parents can be used to determine _____
possibilities of offspring genetics.
exactly what an offspring will look like.
how an offspring will act.
Match the flower parts
ovary
stigma
style
filament
anther
stamen
Match the flower parts
pistil
stigma
filament
anther
ovary
stamen
This structure is -
stamen
pistil
petals
This structure is -
stamen
pistil
petals
Reorder the following from first to last.
A butterfly bush produces a flower with male and female parts.
Butterflies move the pollen from the male to the female part while drinking nectar.
Seeds develop.
The seeds fall to the ground and produce a new plant.
The following picture shows
self-pollination
cross-pollination
pollinated by wind
What part makes pollen?
sepal
stamen
pistil
The flower is the _______ part of an angiosperm plant.
vascular
photosynthetic
reproductive
water intake
All plants have flowers.
True
False
What do we call parts A, B, and C all together?
stamen
pistil
male parts
anther
Identify the ovary... the part that contains ovules that will develop into mature seeds once fertilized
Identify the anther... the part that contains the pollen
Match the following genotypes with their descriptions.
Homozygous dominant
Genotype TT
Heterozygous
Genotype Tt
Homozygous recessive
Genotype tt
Which part of the plant is involved in the reproduction of the plant?
Courtship behavior categories
Horses run alongside potential mate
Penguins give shiny pebble to potential mate
Male lobsters dig a safe burrow
Prairie dogs are monogamous and affectionate
The male peacock uses these spectacular tail feathers in a display to try to attract the attention of females of the same species, and to try to find a mate. What is this called?
hibernation
migration
courtship behavior
territorial behavior
During mating season, male sage grouse gather in groups and compete for the attention of females by performing a courtship dance.
Which would INCREASE a male's chance of reproducing?
Doing well at the courtship dance
Not doing the courtship dance
Doing poorly at dancing the courtship dance
How are a peacock's feathers a physical trait for reproduction?
A peacock uses its feathers to attract a female
A peacock uses its feathers to carry its offspring
A peacock uses its feathers as a shield to protect its offspring
A peacock uses its feathers to warn predators away from its offspring.
A pair bond between 1 male mate and 1 female mate.
Monogamy
Gamete
Pollen
Promiscuity
