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 an offspring's 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 tt 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 does an individual have for each gene/trait?
2
If a dog with Ff long fur and a dog with ff short fur mate, what are ALL possible allele combinations of their babies?
Ff or ff
DOUBLE POINTS! 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 receiving genetic information passed from parent to offspring
inherit
Can an organism have alleles that neither of their parents have?
If a dog with alleles Ee (long ears, short ears) and another dog with alleles Ee mate, what are ALL possible allele combinations of their babies?
EE, ee, Ee
Sam has the alleles Nn and he has hairy knuckles. Parent #1 has the alleles nn. Does Parent #2 have hairy knuckles?
Yes! Parent #2 has at least 1 N allele so they have hairy knuckles.