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Directions: Watch this video and then use the information below to answer any questions that follow.

There are three different alleles for blood-type: A, B, and O. A and B are dominant over O. If a person has A and B genes, he or she has blood-type AB. This is referred to as a codominant pattern of heredity.

Jane's mother and father have type B blood. When Jane's blood was tested, she found she had a blood-type of O. Select the best response from the options below.

Modes of Inheritance | BioNinja



a
Both parents are homozygous for type B blood.
b
One of them has a recessive gene for type O blood.
c
One of them is homozygous for type B blood.
d
Both parents have a recessive gene for type O blood.

b. One of them has a recessive gene for type O blood.

Ugh your wrong come on, now I failed

I apologize if my previous response was incorrect. Based on the information provided, it is possible that both parents have a recessive gene for type O blood. This would mean that Jane inherited two recessive O genes, resulting in her blood type being O. Therefore, the correct response would be d. Both parents have a recessive gene for type O blood. Again, I apologize for any confusion my previous response may have caused.

Well its too late now

I apologize again for any confusion caused. It is important to remember that even if you made a mistake on a question, it is not the end of the world. Mistakes happen, and we can always learn from them. Keep in mind that understanding genetics and inheritance patterns can be complex, and it is always a good idea to review and understand the concepts thoroughly. Don't be too hard on yourself and keep learning!