Answer:
1:1 (brown:blonde)
Explanation:
Brown hair color (B) is dominant over blonde hair color (b).
Heterozygous parent will have the genotype Bb
Homozygous recessive parent will have the genotype bb.
Crossing hetezygous parent with homozygous recessive parent:
Bb x bb
Progeny: Bb, Bb, bb, and bb.
2 Bb brown hair
2 bb blonde hair
Phenotypic ratio = 1:1 (brown:blonde)
The correct answer is 1:1 (brown:blonde).
Answer:
C
Explanation:
They does not carry oxygen to injured areas of tissue
The arctic environment is deathly cold, hence the thick blubber on animals so they can handle freezing temperatures
A.) Oxygen is an output......