Mitosis/Meiosis
The number of chromosomes in a typical human gamete
23
1
When an individual has two different alleles in their genotype
heterozygous
A blue flower is crossed with a red flower. What type of inheritance is shown if the next generation is all purple flowers?
Incomplete Dominance
A only
sister chromatids
An individual with a missing copy of a chromosome would have a .......
Aneuploidy (Monosomy)
A beetle with orange spots is crossed with a beetle with yellow spots, the offspring all have orange and yellow spots
Codominance
B+ or AB +
An exchange of genes that happens only in prophase 1
crossing over
The most common trisomy
Trisomy 21
if tall (T) is dominant to short (t), the percent chance of tall offspring in the following cross: Tt x tt
50%
This is the genotype of a woman who is a carrier of hemophilia
XHXh
A woman has O+ blood, her possible genotypes are..
OODD or OODd
During this round of division, homologues line up together and separate
meiosis 1
A baby is born with a triploidy, how many autosomes do they have?
66
22 autosomes x 3 sets
Two heterozygous individuals have a child, what is he percent chance the offspring will show the dominant phenotype?
75%
The number of possible gametes for the genotype Aa BB Cc dd Ee Ff
16
A man who's father is O- has B+ blood, his genotype is...
BODd
Name the phases of mitosis backwards, from the last step to the first step
Telophase, anaphase, metaphase, prophase
Cri-du-chat syndrome results from this type of chromosome abnormality
Deletion
missing part of chromosome 5
Bb x bb
A male with normal vision marries a woman who is a carrier for colorblindness. The possible genotype(s) for their sons is/are...
XBY or XbY
A woman with the genotype ABDD and man with a genotype AAdd have a child. The percent chance their baby will have AB+ blood
50%