Vocab 1
A physical trait that an organism has; represented using words is known as...
Phenotype
Alleles that an organism carries; represented using letters
Genotype
Organisms directly inherit their traits from who?
Parents
Each section in a punnett square represents what percent?
25%
What plants did Gregor Mendel study?
Pea Plants
Alleles that will mask or hide a recessive gene.
Dominant
Alleles that get masked/hidden
Recessive
Playing an instrument is what type of behavior?
Learned Behavior
Explain how to set up a punnett square when given the genotypes Aa and AA
The first parent, Aa will be written across the top. The second parent, AA will be written down the left side. Cross and find the results.
What was Gregor Mendel's occupation?
Monk
The example RR is what kind of genotype?
Homozygous
The example Hh is what kind of genotype?
Heterozygous
Freckles is what kind of trait?
Inherited Trait
In pea plants, tall (T) is dominant to short (t). Cross a heterozygous tall plant with a short plant and provide the genotypes of the possible offspring
Tt and tt
What nickname did Gregor Mendel get after his research on pea plants?
Father of Genetics
Probability is expressed in what two different ways?
Percent and Fraction
What do punnett squares show?
All possible combinations of alleles that result from a genetic cross.
Physical traits and personality traits are considered to be what kind of factors?
Hereditary Factors
Cross a heterozygous organism with a homozygous recessive organism for eye shape. What is the probability of an offspring having oval eyes?
Eye Shape - Round (E), Oval (e)
50%
What four traits of the pea plants did Mendel focus on?
Color
Shape
Height
Size
Small segments of DNA that carry instructions for traits you have
Genes
The study of genes, heredity, and inherited traits is known as...
Genetics
Answers will vary
In seals, the length of the whiskers has two alleles. Long whiskers (W) is dominant to short (w).What is the probability of the offspring having short whiskers when crossing a homozygous dominant parent with a heterozygous parent?
What percent of the offspring could still carry a recessive allele?
0%
50%
What are the TWO genotypes yellow pea plants have?
Yy and YY