Every egg contains one x chromosome. Each contains one x or one y chromosome. Explain why the sperm always determines a baby gender.

Does an ant feel pain?

During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, some become part of the stomach, and so on. the term for this process is

How does Earth's gravity drive the cycling of water through Earth's systems?

A 10 gram sample of pure potassium sample was 100% rubidium-87 approximately how much of the sample will still be potassium 40

The reactants and products in the graph below represent an 1) endergonic reaction with a net release of free energy 2) endergonic reaction that absorbs free energy from its surroundings 3) exergonic reaction with a net release of free energy 4)

a population of domesticated sheep becomes stranded on a rocky island. over many years, the physical traits of the sheep population are altered.

how would i use a punnett square to explain how a dominant allele masks the presence of a recessive allele

Which change in a sample of pond water could indicate that heterotrophic microbes were active?

Selena made a chart to group adaptations in birds based on their main functions. Which functions should Selena use as headings to complete the chart?

You need to prepare a heparin IV bag of 25,000 units in D5W 500mL. Your pharmacy usually uses 2.5mL of 10,000iu/mL to make these bags, but the only available strength of heparin in your pharmacy is 10,000iu/10mL.