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Questions in biology

📝 Answered - Describe the difference between motion and a reference point.

📝 Answered - What is a series of events that cells go through as they grow and divide?

📝 Answered - How might a scientist determine whether a trait is sex-linked by observing the offspring of several genetic crosses?

📝 Answered - How is the expression of sex-linked genes both similar to and different from the expression of autosomal genes?

📝 Answered - Which of the kingdoms has the smallest number of known species?

📝 Answered - Explain the statement: "The genetic code is universal."

📝 Answered - Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells

📝 Answered - A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the test-cross parent? I. Homozygous recessive II. Homozygous dominant III. Heterozygous A. I only B. II only C. III only D. I or III E. II or III

📝 Answered - Place the mouse, fruit fly, duck, and gorilla in order of their relatedness to humans, from least related to most related. A. mouse - fruit fly - duck - gorilla B. fruit fly - mouse - duck - gorilla C. gorilla - mouse - duck - fruit fly D. fruit fly - duck - mouse - gorilla

📝 Answered - Which of the following are examples of trisomy? A. Turner Syndrome B. Down's Syndrome C. Klinefelter's Syndrome