DNA
What letter matches with "A" on a DNA strand?
a. T
b. G
c. C
a. T
(Remember the word AT)
A DOMINANT allele is
a. one whose trait is always shown when present
b. is sometimes shown when present
A DOMINANT allele is
a. one whose trait is always shown when present
The genotype LL is
a. homozygous Dominant
b. homozygous recessive
The genotype LL is
a. homozygous Dominant
What would the phenotype be if the genotype for hair is CC?
Dominant: Curly
Recessive: Straight
What would the phenotype be if the genotype for hair is Cc?
Curly
If all 4 boxes are HOMOZYGOUS DOMINANT (DD) what is the probability that the offspring will have a dominant trait?
If all 4 boxes are HOMOZYGOUS DOMINANT (DD) what is the probability that the offspring will have a dominant trait?
100%
Finish this DNA Strand
A-
G-
G-
C-
A - T
G - C
G - C
C - G
Different forms of genes are called
a. phenotypes
b. alleles
c. genotypes
Different forms of genes are called
b. alleles
The genotype hh is
a. homozygous Dominant
b. homozygous recessive
The genotype hh is
b. homozygous recessive
What would the phenotype be if the genotype for freckles is ff ?
Dominant trait: Freckles
recessive trait: No freckles
What would the phenotype be if the genotype for freckles is ff ?
No freckles
If 2 boxes have at least one DOMINANT allele what is the probability that the offspring will have a dominant trait?
If 2 boxes have at least one DOMINANT allele what is the probability that the offspring will have a dominant trait?
50%
What is the shape of the DNA's twisted latter called?
Double Helix
Factors that control traits are called
a. Dominant
b. genes
c. DNA
Factors that control traits are called
b. genes
The genotype Gg is
a. homozygous dominant
b. heterozygous dominant
The genotype Gg is
b. heterozygous dominant
What would the phenotype for chin type be is the genotype was Cc
Dominant trait: Cleft chin
recessive trait: no cleft chin
What would the phenotype for chin type be is the genotype was Cc
Cleft chin
If 1 box has a Capital letter what is the probability that the offspring will have a dominant trait?
If 1 box has a Capital letter what is the probability that the offspring will have a dominant trait?
25%
DNA is found in
a. genes
b. chromosomes
c. nitrogen bases
DNA is found in chromosomes
What is DNA replication?
a. when a DNA strand makes a copy of itself
b. when the DNA mutates
What is DNA replication?
a. when a DNA strand replicates itself
The genotype Bb for hair color where the dominant color is brown and the recessive color is blonde, what will the trait be?
a. Brown
b. Blonde
The genotype Bb for hair color where the dominant color is brown and the recessive color is blonde, what will the trait be?
a. Brown
What would the phenotype be if the genotype is HETEROZYGOUS ?
Dominant trait: Brown eyes
recessive trait: Blue eyes
What would the phenotype be if the genotype is HETEROZYGOUS ?
Brown eyes
If the boxes in the Punnett Square are:
Rr, Rr, Rr, rr
what are the probabilities for dominant and recessive traits in the offspring?
If the boxes in the Punnett Square are:
Rr, Rr, Rr, rr
what are the probabilities for dominant and recessive traits in the offspring?
75% DOMINANT 25% recessive
Why is everyone's DNA different?
Everyone has a different nitrogen base sequence in their genes
What do a phosphate group, a sugar, and a base make up? (Think of the marshmallow, gumdrop, and pipe cleaners)
a. bases
b. nucleotide
c. DNA
What do a phosphate group, a sugar, and a base make up? (Think of the marshmallow, gumdrop, and pipe cleaners)
b. nucleotide
The dominant trait for eye color is Brown. The recessive trait is Blue. If I have Brown hair what are the TWO possible genotypes?
The dominant trait for eye color is Brown. The recessive trait is Blue. If I have Brown hair what are the TWO possible genotypes?
BB
Bb
What would the phenotype be if the genotype is purebred dominant?
Dominant trait: right handed
recessive trait: left handed
What would the phenotype be if the genotype is purebred dominant?
right handed
If the Punnett Square boxes were:
EE, Ee, Ee, ee
what are the probabilities that the offspring were dominant and recessive?
If the Punnett Square boxes were:
EE, Ee, Ee, ee
what are the probabilities that the offspring were dominant and recessive?
75% Dominant 25% recessive