Score 24/25
You passed this Milestone
24 questions were answered correctly.
MILESTONE
1 question was answered incorrectly.
1
Blonde hair (represented as b) is a recessive trait.
If Julie has blonde hair, which of the following could have been her parents' genotypes?
BB, bb
Bb, BB
BB, BB
Bb, bb
CONCEPT
Punnett Squares
I need help with this question
2
Which component of blood plays a role in the immune system?
White blood cells
, Platelets
Red blood cells
Plasma
CONCEPT
Blood
I need help with this question
3
What do all nucleotides have?
A five-carbon sugar, a nitrogen group and a phosphorous base
Six-carbon monosaccharides bonded together in long branching chains
A five-carbon sugar, an amino acid and a peptide bond
A five-carbon sugar, a phosphate group and a nitrogenous base
CONCEPT
Structure of DNA and Chromosomes
I need help with this question
4
Which of the following is a biological class?
Chordata
Ursidae
You passed this Milestone
24 questions were answered correctly.
MILESTONE
1 question was answered incorrectly.
1
Blonde hair (represented as b) is a recessive trait.
If Julie has blonde hair, which of the following could have been her parents' genotypes?
BB, bb
Bb, BB
BB, BB
Bb, bb
CONCEPT
Punnett Squares
I need help with this question
2
Which component of blood plays a role in the immune system?
White blood cells
, Platelets
Red blood cells
Plasma
CONCEPT
Blood
I need help with this question
3
What do all nucleotides have?
A five-carbon sugar, a nitrogen group and a phosphorous base
Six-carbon monosaccharides bonded together in long branching chains
A five-carbon sugar, an amino acid and a peptide bond
A five-carbon sugar, a phosphate group and a nitrogenous base
CONCEPT
Structure of DNA and Chromosomes
I need help with this question
4
Which of the following is a biological class?
Chordata
Ursidae
