A scientist working in which area of biology is most likely to study DNA?

When two different alleles for a character are present, the genotype is referred to as:?

Alexis, a middle-aged woman, is very moody and becomes irritable at the slightest provocation. Recently, her waist size has increased remarkably, and she has joint and muscle aches very often.

A very hot, type O star would most likely emit its most intense radiation

A patient is suffering from a viral infection of the digestive system. Which of these things should a doctor check first?

Describe the advantages of vascular tissue (xylem and phloem) in a category of nonvascular and vascular?

In a population of giraffes, dark brown spots are the result of a homozygous recessive condition. if the frequency of the allele for this condition is 0.

What is the purpose of your answer for question #1? A) can only move substance into the cell with the use of ATP B) is only used to remove large waste products from the cell C) are specifically meant to carry the smallest ions in and out of the cell

The organisms that produced the oxygen gas in Earth's early atmosphere were

Name three characteristics of gas giants that make them different from terrestrial planets.

How are proteins transported to their correct location in the cell?