This vs That
Inherited VS Acquired
Explain the terms
Inherited - Traits passed down genetically by your parents
Acquired - Traits that you gain throughout life
Long ears is a dominant trait (E) for dogs and short ears is a recessive trait (e) when you cross a homozygous recessive and homozygous dominant what are the chances of an offspring with short ears.
0%
What is Evolution?
A new species is formed, cannot reproduce offspring with the species it once was (Happens to an entire population)
What is a recessive trait?
A trait that does not show in a heterozygous and is expressed by a lower case letter.
What is heredity
The passing of traits from parent to offspring.
Dominant VS Recessive
Dominant - Represented by a capital letter, expressed in a heterozygous.
Recessive - Represented by a lower case, needs homozygous to be seen.
Dimples (D) and no dimples (d)
Two homozygous have a baby, what does the punnet square look like?
D,D D,d D,d d,d
What is natural selection?
Set of traits that enable an organism to survive, reproduce (or not) depending on the environmental conditions.
What is a dominant trait?
Represented by a capital letter, expressed in a heterozygous.
Gregor Mendel
Hetero VS Homozygous
Heterozygous - dominant and recessive allele (A,a)
Homozygous - Two of the same allele (A,A or a,a)
Blond hair (h,h) and brown hair (H,H) have an offspring, what are the chances of a blond hair offspring?
What is Macroevolution?
Large scale changes that occur over extended time periods, such as the formation of new species and groups.
What is a co-dominant trait?
A co-dominant trait is a trait that shows when there are two dominates and they both show (Exp. Green and blue frog have a baby and the baby is a mix of green and blue)
What type of organism did Mendel base his studies on?
Pea plants
Genotype VS Phenotype
Geno - The genetic makeup of an individual phenotype.
Pheno - The physical trait expressed in an individual
Two birds have a offspring. The parents are blue and red. The red one is a homozygous and the blue one is a heterozygous. What are the chances of the off spring being blue?
50%
What are the 5 types of evidence that support Evolution?
Fossils
Anatomy
Embryology
Molecular biology
Biogeography
Red fur color and black fur color are both dominant with squirrels. If a black and red squirrel had a offspring what color would it be?
Mix of red and black.
How many chromosomes do humans have?
46 or 23 pairs
Gene vs Allele
Gene - Trait (Eye color)
Allele - Variation of trait (Blue, brown eyes)
What would a punnet square of a heterozygous brown dog and a homozygous black dog look like.
B,b B,b b,b b,b
It is a small scale change that affects just one or a few genes and happens in populations over shorter periods of time.
Is it possible to have a recessive trait come up if it was not seen for a long time in its population?
Yes!
A physical trait visible in an offspring is called what?
A Phenotype