Vocab
a physical characteristic or feature of a living thing
trait
What do we use to represent recessive alleles?
Lowercase letters
T: long tail
t: short tail
If a cat has the alleles Tt, what trait will it have?
long tail
F: spotted fur
f: solid colored fur
If a dog has spotted fur, but one of its parents had solid fir. What are this dog's alleles?
F f
a recipe for a trait
gene
What do we use to represent dominant alleles?
uppercase letters
F: spotted fur
f: solid colored fur
If a dog has spotted fur, what are all the possible allele comninations it could have?
FF or Ff
If a puppy has the alleles E E for long ears, and one of their parents has the alleles E e what alleles must the other parent have?
E E or E e
a different version of a gene that you get from each parent
allele
Where do alleles come from?
parents' DNA
E: long ears
e: short ears
If a dog has short ears, what are all the possible allele combinations it could have?
only ee
If a dog has a t t alleles for short tail. What allele combinations could each if it's parents have?
a) t t and T T
b) T T and T t
c) T t and T t
c) T t and T t
What type of alleles have more influence over our traits?
Dominant alleles
how many alleles do we have for each trait?
2
If a dog with L l long fur and a dog with l l short fur mate, what are ALL possible allele combinations of their babies?
Ll or ll
If a flower has B b alleles for blue petals. What are ALL the possible combinations of alleles that parents could have? (there are 4)
BB and bb
Bb and Bb
Bb and bb
BB and Bb
A word that means passing genetic information from parent to offspring
inherit
Can an organism have alleles that their parent didn't have?
If a dog with alleles E e (long ears, short ears) and a dog with alleles E e mate, what are ALL possible allele combinations of their babies?
EE, ee, Ee
Sam has the alleles Nn for hair on their knuckles. Parent #1 has the alleles NN. Does Parent #2 have hair on their knuckles?
no! they have the alleles nn