Answer:
Well there are many ways for scientific models to be use like if something was small and you couldn't see it u would have to make a model of that
Explanation:
If this didn't help I'm sorry
Answer:
C. a sequence of nucleotides in DNA that codes for a functional product.
Explanation:
A gene is referred to as a nucleotide sequence in DNA that codes for the synthesis of a functional product such as an RNA or a protein. It is also referred to as the functional and basic unit of hereditary. A gene is also found on a chromosome and differs from DNA because a DNA just comprises nucleotides and is found in the cell nucleus.
Genes carry genetic information which can be transferred to the offspring from the parents. These genetic information could be the color of the hair, height, color of the eyes and other traits that can be passed from parents to offspring.
Answer:
E.
Explanation:
A fetus is able to extract O2 from its mother's blood because fetal hemoglobin has a higher affinity for O2 than maternal hemoglobin. Thus making it alot easier for the hemoglobin to bind to oxygen. This causes the oxygen-dissociation curve to move towards the left of the maternal oxygen-dissociation curve.
Answer:
yeah I think so because if u look it uppp it said sooo