The genotypes of two parents are Hb^A Hb^A and Hb^A Hb^5. What are the likely phenotypes of their children?

A. 75% healthy

B. 50% may develop sickle-cell anemia

C. 25% may develop sickle-cell anemia

D. 100% healthy

A force of 64 N is applied to an 8 kg. Mass. What is the acceleration of the mass.

The part of the hair that extends beyond the skin surface is called the

Which of the following, when taken up by the cell, binds to the repressor so that the repressor nolonger binds to the operator? A) ubiquitin B) inducer C) promoter D) repressor E) corepressor

In what life history pattern does logistic population growth occur

Hosphatidate, shown below, is a precursor in the synthesis of some lipids. identify the lipids that have phosphatidate as a precursor.

Mendel hypothesized that gametes have only one factor or allele for each inherited trait. This hypothesis is supported by the observation that A) diploid cells are produce by meiosis. B) haploid cells are produced by meiosis.

The plasma membrane is composed of several different macromolecules which macromolecule serves as the fluid interface between the intracellular and extracellular environments

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. They result in either an individual having too many or too few chromosomes in their genome.

During which stage of disease should an infected person be considered contagious

A scientist observed the boundrary between teo tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result suppor the theory of plate tectonic? Why or why not?