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Q1. Assume two samples of water are taken just under the surface on a lake, one sample in the early morning, and the other in the late afternoon. Would you guess both samples to have nearly the same DO content? Q2. Harriet had liposuction several years ago, but has since […]

In parakeets, two autosomal genes (located on different chromosomes) control the production of feather pigments. Gene B controls the production of blue pigment, and gene Y controls the production of yellow pigment. Known recessive mutations in each gene result in the loss of pigment synthesis. Two green parakeets are mated […]

Case Study- Rotator Cuff Injury Objective: List the muscles of the body and understand basic muscle types. An 11 year old boy who has played baseball (pitcher) for the last 7 years is seen by an orthopedist. The athlete complains of intense pain in the shoulder joint that worsens when […]

A plant with yellow flowers was crossed with a plant with red flowers. All of the numerous offspring had red flowers. What does this show about the genotype of the parental plant with yellow flowers? It is homozygous dominant. It is heterozygous dominant. It is homozygous recessive or heterozygous. It […]