Set of Instructions
What is the set of intructions?
Cell
Nucleus (except bacteria)
Chromosomes
DNA
Gens
Alleles
The gene for curled ears (C) is dominant over the gene for straight ears (c). Crossing a cat with curled ears (CC) and a cat with straight ears (cc). What percent of the offspring are expected to have curled ears?
100%
In genetics, what does it signify that blue eye color is observable?
Phenotype
Identify a Homozygous Recessive.
ab AA ba aa aA
aa
A structure made of coiled DNA that transfers hereditary information to the next generation (Comes in pairs)
Chromosomes
What type of cell lack a nucleus?
Bacteria
In pea plants, the trait for round seeds is dominant over the trait for wrinkled seeds. If a pure dominant plant with round seeds is crossed with a plant with wrinkled seeds, what can be predicted about the offspring plants?
100% offspring are round
In genetics, what does it signify that blue eye color is unobservable? Example: Bb.
Genotype
Identify a Homozygous Dominant.
AB aa bb BB
BB
A tool scientists use to predict what offspring may look like...
Punnett square
What type of Living Organism doesn't have DNA?
All living things have DNA
The presence of hair on the middle section of the fingers (H) is a dominant trait in humans. What is the probability that offspring have presence of hair if mother is heterozygous and father is homozygous recessive.
50%
Dominant allele represent always the trait even if recessive allele is present.
True or false
True
Identify a Heterozygous .
AB aa AA Ba Aa
Aa
Father of Genetics, studied peas
Mendel
What is a Gen?
Segment of DNA
Having Freckles (F) is dominant over not having Freckles (f). If a person who is heterozygous has children with a person who is also homozygous recessive, what is the probability that their children will have Freckles?
50%
If alleles are Heterozygous like Aa for Eye color, this individual has a blue eye and brown eye.
true or false Explain your answer)
False because this individual has just one eye color depending of the dominant allele.
Traits passing from parents to offspring through______
Proteins-molecules-cells
Molecules
A son inherits traits ........
only from his father
only from his mother
from both his father and his mother
From both his mother and father
Haw many alleles can you find inside a trait?
2 Alleles
one from mother & one from father
Right-handedness (R) is dominant over left-handedness (r). If a person who is heterozygous has children with a person who is also heterozygous, what would be their children’s possible genotypes?
RR Rr rr
Punnett square is 100% sure for calculate a specific trait such as hair color.
true or false
false Probability
What is this combination of alleles representing?
A'B'
Codominance
Organisms that have two different genes for the same trait are called...
Heterozygous