What is our science term for a family tree?
Pedigree
The type of allele in whose trait always shows up in the organism if the allele is present
dominant allele
A cross with a Tt pea plant and another Tt pea plant will result in what probability for a short pea plant?
25%
An organism with two different alleles for a trait is called what?
heterozygous
What is the study of heredity?
Genetics

Make a Punnett Square to show the EXPECTED OUTCOME for person number 5 and 6.
*answer on whiteboard*
The type of allele that can be masked, or covered up
recessive allele
A cross with a BB (black guinea pig) and a bb (white guinea pig) will result in what probability of a white guinea pig?
0%
if an organism's genotype is TT, it is homozygous recessive.
True or False
Which gender has XY chromosomes?
Male/boy
Humans have a total of __ chromosomes.
46

What is the genotype for person number 14?
Aa
What is an organism's genotype?
Its genetic makeup, or allele combination
For example TT, Tt ,tt, BB, Bb, bb
If an organism's genotype is tt, it is heterozygous.
True or False
False

What is the genotype for person number 10?

What is the actual percentage of kids who have the trait?
50%
A chart that shows all the possible combinations of alleles that can result from a genetic cross
Punnett square
What is an organism's phenotype?
Its physical appearance or traits
( For example a tall pea plant or a black guinea pig)
If an organism's genotype is Tt, it is heterozygous.
True or False
True
For the process in the image, is sexual or asexual reproduction shown? Justfify

Sexual reproduction.
Invovles the transfer of pollen (male gametophyte) to the stigma, female part.
The different forms of a gene are called
alleles

What is the genotype for person number 2?
A?
An organism with two identical alleles is called what?
homozygous
Which is considered the phenotype?
Mm, ll. TT OR red hair vs brown hair
red hair vs brown hair
Which of the following diagrams represents non-disjuction of meiosis at anaphase II and the chromosome number in the daughter cell from this non-disjunction event. 
Diagram C
n+1