Where do organisms get their traits from?
their parents
What type of plant did he study to find that genes are passed on to offspring?
pea plants
4
the structures made of DNA that transfer genetic information to the next generation
chromosome
the individual expression of a feature
trait
True or False: Viruses have DNA.
True
What is Mendel's first name?
If you cross tt x tt, what is the probability the offspring will be homozygous recessive?
100%
the genes that make up a organism
genotype
True
organisms
What traits did he notice pass on between plants? (list 2)
plant height, pod shape/color, seed shape/color, color of petals
Who invented the Punnett squares?
Reginald Punnett
an allele that is always expressed and can overtake a recessive allele
dominant
phenotype
If you were to take cells from your cheek and cells from your hands, would the DNA be the same or different?
What two terms did he come up with two describe the stronger gene and the weaker gene?
dominant and recessive
If you were to cross a Heterozygous mother with a Homozygous Recessive father, what are the resulting offspring's genotypes?
2 Heterozygous and 2 Homozygous recessive
recessive
How many chromosomes do we have in total from our parents?
46
True or False: Some organisms do not have DNA.
False - All organisms have DNA, including bacteria, fungi, and plants.
What religious position did Mendel hold?
He was a monk.
If you were cross a gray hamster who has a white mother and a gray hamster who only has gray parents, what is the probability of Heterozygous offspring?
Explains why organisms are similar but not identical to their parents
heredity
If you were to cross a Homozygous dominant with a Homozygous recessive, what is probability the offspring will be Homozygous recessive?
0%