A man who is heterozygous for brown eyes has a child who has blue eyes. What genotype was mom? O homozygous dominant for brown eyes O homozygous dominant for blue eyes O homozygous recessive for brown eyes O homozygous recessive for blue eyes O heterozygous for brown eyes heterozygous for blue eyes two of these genotypes are possible O three of these genotypes are possible four of these genotypes are possible

Part 1 - High School Blues Evan and Alexia had been happily married for seven years and had a delightful five-year-old son named Ryan. One day, while going through his old high school biology textbook, Evan stumbled on some troubling information. In the section on the genetics of eye color, he read that two blue-eyed parents cannot produce a brown-eyed child. This was disturbing to him because both he and Alexia had blue eyes, but Ryan had brown eyes. He and Alexia were very much in love and Evan didn't believe his wife had been unfaithful. Puzzled, he questioned his wife, who confirmed she had been faithful to him. Evan had known Alexia long enough to recognize when she was lying and detected nothing but honesty in her response. What is going on?

1. Explain your philosophy regarding euthanasia.

13. Below is a photo of a gel for a paternity test with two possible fathers. Wells |Ladder Mother Child Possible Possible father #1 father #2 Olfayden-McNeil, LLC Based on the results of the paternity test shown above, who is the father of the child? Explain your answer. а.

The diagram below illustrates the results of electrophoresis of DNA sequences obtained from a family of two adults and three children, and amplified using PCR. The bands represent short repeating sequences of variable length. Results for another female (X) are included for comparison. Father Mother Child Child Child X 1 2 3 Origin―

Could you help me write a paragraph of 150 words on why Charles Darwin's evolution by natural selection theory is correct, please? My teacher will not help me, and I am tremendously confused. Thanks so much!!

Part 1 The Symptoms Imagine that you work at the medical examiner's office for a major metropolitan city. As Chief Medical Officer, you investigate suspicious deaths and provide toxicology services for the county. Unfortunately, it's been a busy week. In the past five days, seven people have died, all with similar symptoms. It is your job to examine the data and determine the cause of death for these victims. The first was a 12-year-old girl. Her parents said that she was awake in the middle of the night complaining of a stuffy nose and sore throat. They gave her an extra strength Tylenol and sent her back to bed. At 7am the next morning, the parents discovered that the girl had collapsed on the bathroom floor. An ambulance rushed the girl to a nearby hospital, where she was pronounced dead. That same day, paramedics found the second victim unconscious on his kitchen floor after what they thought was an apparent heart attack. Sadly, the victim's brother and fiancée also collapsed later…

1. What is the phenotype of the genetic disorder?   2. How does it express itself? 3. Does it cause you to be tall? 4. Your liver to function irregularly? 5. Do you feel no pain? 6. Are you born with extra teeth? 7. Does your body odor smell like maple syrup (maple syrup urine disorder)? 8.What does it do to you?

1. The differences between identical twins don't come from DNA–they all come from external factors. Name 2

C. If you had a Tabby cat and wanted to know if this cat was homozygous or heterozygous, what type of cat could you breed your Tabby with to prove its genotype? Explain your answer.