Worksheets8B Selective Breeding and Reproduction
Total questions: 20
Worksheet time: 20mins
An example of selective breeding is
a dog breeder mating 2 dogs to make more dogs
a farmer grows bees to pollinate the plants on his farm
a person pollinates 2 white rose plants to only create white roses
The purpose of selective breeding is to
get bigger animals
get smaller animals
create animals with desirable traits
create animals with bad traits
The finches beaks change over time making new species. This is called:
Natural Selection
Evolution
Selective Breeding
Homeostasis
Which is an example of selective breeding?
A giraffe's long neck.
Clipping a horse's tail so it's not too long.
Training a horse to run faster.
Cross breeding a labrador retriever with a poodle .
Selective breeding is where _____________ decides which traits should be passed on.
nature
a human
traits
evolution
Where in the cell is DNA found?
Nucleus
Cytoplasm
Chloroplast
Cell Membrane
What are sections of DNA called?
DNA
Genes
Chromosomes
Nucleus
A gene determines a __________ such as eye or hair colour.
nucleus
DNA
chromosome
Trait
How many pairs of chromosomes do humans have?
21
22
23
24
The fusing of egg and sperm to form a new offspring is
gene
fertilization
amino acids
DNA
Why do offspring usually look like their parents?
Their parents choose their features and make sure they look similar to themselves.
The offspring adapt to their surroundings making them look more like their parents
Offspring receive characteristics that have been passed down from their parents
A dog breeder crossed a mastiff with a bulldog to produce a mixed breed. The puppy will most likely resemble _______
the father
the mother
both father an mother
neither the father or the mother.
the grandparents
Which trait does a puppy inherit from its parents?
obediance to commands
fur pattern and colour
affection for a specific home
food brand preference
Which of the following is an inherited trait?
Birthday
Hairstyle
Eye color
Name
Which best describes a inherited trait?
a characteristic that is passed on from one's parents
a characteristic that is influenced by one's surroundings
a characteristic one chooses to express
a characteristic one receives from the food one eats
What do you call the cell that forms from fertilization?
fertilized egg
sperm cell
zygote
egg cell
What do you call the type of reproduction in which the genetic materials from two different cells combine, producing an offspring?
pollination
sexual reproduction
fertilization
asexual reproduction
What is the correct name for a sex cell?
The noise
Gamete
Ovary
Sperm
How many parents are needed for asexual reproduction?
4
1
9
100
