Inheritance
Who do humans get their chromosomes from?
Their mom and dad.
What shape does DNA have?
Double Helix
How many parents are needed in asexual reproduction?
1
How many parents are needed in sexual reproduction?
2
A peacock spreading its big beautiful feathers is an example of which animal behavior?
Mating and courtship.
Explain what genotype is.
The trait is not observable; you cannot see the trait expressed.
How many chemicals are involved in the DNA structure?
4
Will the offspring have an identical genotype as the parent ?
Yes
Will the offspring have an identical genotype as the parent ?
No
A dog peeing on a fire hydrant is an example of which animal behavior?
Defending territory.
Explain what phenotype is.
The trait is observable; you can see the trait expressed.
How many pairs of chromosomes does a human have?
23 pairs, a total of 46
Will the offspring have an identical phenotype as the parent?
Yes
Will the offspring have an identical phenotype as the parent?
No
A mom and dad teaching their child how to walk is an example of which animal behavior?
Parental Care
What is the process called when the sperm meets the egg?
Fertilization
Which chemical does A always pair with?
What chemical does G always pair with?
Name 1 advantage and 1 disadvantage of asexual reproduction.
Advantages:
Only needs 1 parent
Takes less time
You know what offspring will look and act like
Disadvantages:
Identical offspring
No genetic diversity
Genetic Issues
Name 1 advantage and 1 disadvantage of sexual reproduction.
Advantages:
Genetic Variation
Complex Organism
Disadvantages:
It takes more time
Does not always work
2 Parents Needed
Why would animals want to attract a mate?
To produce offspring.
How many dominant alleles need to be present in order for the genotype to be expressed?
At least 1.
Where in the cell is DNA?
Nucleolus
What are the 4 different types of asexual reproduction methods?
Binary Fission
Plant Roots
Regeneration
Budding
What does sexual reproduction produce?
Offspring (babies/kids)
What does propagate mean?
To pass down your genes to the next generation.