Heredity
What are offspring?
Children
What is the difference between asexual and sexual reproduction?
sexual is done sexually between two organisms, asexual is done by one organism by itself
The father of genetics?
Gregor Mendel
What are mutations?
permanent changes to DNA
What is a phenotype?
The way an organism looks
What are genes?
Segments of DNA that hold instructions for traits of offspring.
What kind of reproduction results in genetic diversity?
sexual reproduction
f black fur is dominant (F), and white fur is recessive (f), in a heterozygous cross, what percentage will have homozygous alleles?
(50%)
Which disease or disorder is the result of having an extra chromosome?
Down Syndrome
If a plant has two homozygous or recessive alleles it can be called
homozygous or purebread
What is a recessive gene?
A gene for which the trait usually only appears when there isn’t any dominant gene present.
When cells are copied with half the amount of chromosomes it is knows as?
Meiosis
If a plant has pink flowers and it only inherited one gene for pink flowers and the other genes code for white, what kind of trait are the purple flowers?
Dominant
What can you use to trace the occurance of genetic diseases within a family?
pedigree
Different forms of a gene that determines characteristics
Allele
What is a dominant gene?
A trait that always appears when present.
Reproduction by binary fission is an example of?
asexual reproduction
Brown eyes (B) are dominant to blue eyes (b). The cross between a homozygous brown eyed dog with a homozygous blue eyes dog, what percentage would have blue eyes?
0%
Where mutations can occur?
meiosis
The passing of genetic information from parents to offspring is called
How much inherited information do you get from each parent?
50/50
What does the male produce in sexual reproduction?
sperm cells
If a dog can only have blue eyes when both parents have blue eyes, what kind of allele produces blue eyes in dogs?
Recessive
Who do you see to check if your child will have a genetic disorder?
genetic counselor
A trait is
a characteristic that can be passed through genes