Vocab
a 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
If a dog has a tt alleles. What allele combinations could its parents have? (select one)
a) t t and T T
b) T T and T t
c) T t and T t
c) T t and T t
the instructions or "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 possible allele combinations it could have?
FF and Ff
F: spotted fur
f: solid colored fur
If a puppy has spotted fur, but one of its parents had solid fur. What are the puppy's alleles?
Ff
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 possible allele combinations it could have?
ee
If a puppy has alleles EE for long ears, and one parent has alleles Ee, what alleles could the other parent have?
EE or Ee
what type of alleles have more influence over our traits?
Dominant alleles
how many alleles do we have for each trait?
2
If a cat with Hh alleles mates with a cat with hh alleles, what are ALL possible allele combinations of their offspring?
Hh and hh
N: brown eyes
n: green eyes
Sam has the alleles Nn. Parent #1 has green eyes. What color eyes does Parent #2 have?
brown eyes. Parent #2 must have the alleles NN or Nn
receive genetic information passed down from parent to offspring
inherit
How many alleles for each trait are passed down from each parent to their offspring?
1
If a dog with alleles Ee mates with another dog with Ee alleles, what are ALL possible allele combinations of their offspring?
EE, ee, and Ee
If a flower has Bb alleles. What are ALL possible allele combinations its parents could have? (there are 4)
BB x bb
BB x Bb
Bb x bb
Bb x Bb