Traits
Which trait is stronger and will appear in an offspring if one parent has it
dominant trait
What is inherited in formation or genes and instructions to give organisms its traits?
genotype
What is a disease where cells grow and divide uncontrollably and damages part of the body?
cancer
crops can be bigger, disease resistant, taste better and stay fresh longer
What are the nitrogen bases? How do they bond together?
adenine, cytosine, thymine, guanine
a and t bond
c and g bond
Which trait can be carried in genes without showing and it will only show in offspring if you inherit it from both parents
recessive trait
What are observable traits that the organism possesses and it is physical traits
phenotype
How does cancer spread throughout the body?
Cancerous material can break off and enter the blood stream which starts abnormal cells in a new part of the body
Are all mutations bad?
no- some enhance an organisms chances of survival
What is the importance of a nucleotide bade in DNA?
They form unique genetic information of an organism, the closer the relationship is between two organisms, the more similar the DNA will be
Which trait will ALWAYS show in an offspring if you inherit it?
DOMINANT
What is a purebred?
individuals that have a gene pair that is both the same which means they will definitely pass that trait onto offspring HH or hh
What are three ways to treat cancer?
radiation, surgery, chemotherapy
What does DNA stand for?
Deoxyribonucleic acid
What would the results be for a purple hybrid plant and a white purebred plant?
Pp and pp
Results would be: PP, pp, Pp, pp
What is one of two versions of a gene and you have 2 of these for each trait?
allele
What is a hybrid?
Organisms that have one dominant and one recessive gene for a trait- Hh
What are ways to prevent cancer?
eat healthy, sunscreen, no smoking, exercise, limit processed and fatty foods
Describe the shape of DNA.
Double helix due to nucleotides
What would the offspring of a parent purebred with freckles and a mother with no freckles be?
FF by ff= Ff, Ff, Ff, Ff
What is part of a chromosome that controls a trait? Offspring inherit 2 of these for a trait.
gene
What is a permanent change or error in the structure of a gene or chromosome, it creates a new trait
mutation
True or false- the sun can give you cancer
true- skin cancer-WEAR SUNSCREEN
What is a molecule made of a nitrogen base, a sugar and a phosphate group?
nucleotide
Give an example of a mutation
Hemophilia- a condition where blood does not clot properly