What does the notation Rr mean to geneticists?

heterozygous alleles (My guess)

homozygous alleles

dominant alleles

recessive alleles

What are the five steps that occur during the phosphorus cycle?

A nurse practitioner and social worker are facilitating a family meeting for the children and wife of a 79-year-old man who has been diagnosed with alzheimer disease.

In what form do biomass fuels store energy from sunlight?

What are some ways humans negatively affect the environment

Acho ndroplasia is an autosomal dominant form of dwarfism. People with acho ndroplasia are heterozygotes because carrying two copies of the dominant, mutant allele is fatal during embryogenesis.

Why are lipids and proteins free to move laterally in membranes?

Most genes in prokaryotes and eukaryotes are regulated primarily at which level of expression

Which of the following is an environmentally responsible water consumption technique? A) washing your favorite outfit by itself in the washing machine B) watering your garden between 10pm and 10am C) leaving the hose running the entire time you wash

What does it mean when it is said that all living things have a universal genetic code

Which characteristic is not useful in the classification of igneous rocks?