are a practical life application related to Mendell's cross?

Why is karyotyping significant in understanding chromosomal abnormalities? Short essay only thanks please the main answer

Please , if you don’t know the answer just don’t solve it , I don’t want from google or from websites .

6. Alice has type A blood and her husband Mark has type B blood. Their first child, Amanda, has type O blood. Their second child, Alex, has type AB blood. What is Alice's genotype? What is Mark's genotype?_ Show how you found the answer by completing the Punnett square(s) below: 7. Candace has type B blood. Her husband Dan has type AB blood. Is it possible for Candace and Dan to have a child that has O blood? Explain why or why not (use a Punnett square to help). 8. Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and think that a switch might have been made at the hospital. Can this baby be theirs? Explain why or why not (use a Punnett square to help).

Can someone show me why this is correct? I will like to see the possible genotypes and phenotypes together that proves the answer.

groups are so important medically that you should be able to solve genetics problems based on blood types. The first step in accomplishing that is to understand the genotypes of each blood type. Before working any problems, complete this ABO blood type chart. Begin with a key. 27. Blood KEY: Genotype Red Blood Cell Appearance Phenotype (blood group) 28. Question 2 in Concept Check 14.3 is a blood type problem. Complete it here, and show your work.

Topic: Genetic analysis (don't answer if you already answered it thank you)

A couple decide to have a child. They require and select a suitable sperm donor who they understand to be blood group AB and rhesus +ve. The carrier of the baby is blood group A and rhesus –ve. However, when the baby is born, they discover that the baby’s blood group is O rhesus +ve. Worried that there has been a mistake they ask for a DNA test, which confirms the sperm used was indeed that of the donor. Further DNA analysis of the carrier of the baby shows that she has isoagglutinogen alleles IA iO, while the baby is actually IB and IO.      How would you explain the outcome of the blood group to the couple? What is the chance that any other children will be blood group O using the same sperm donor?    What further medical considerations should the couple consider for this child and additionally for any other subsequent pregnancies?

I Review Lesch-Nyhan syndrome (OMIM 300322) is a rare X-linked recessive disorder that produces severe mental retardation, spastic cerebral palsy, and self- mutilation. Part A What is the probability that the first son of a woman whose brother has Lesch-Nyhan syndrome will be affected? Express your answer as a fraction (example 1/16). Submit Request Answer Part B If the first son of the woman described in (a) is affected, what is the probability that her second son is affected? Express your answer as a fraction (example 1/16). Submit Request Answer

How do you figure out the geno and phenotype from the info given? 2 pages out the lab but I figured once explained I’ll be able to do understand and do the rest!