Biology, 04.08.2019 03:40 blessing5266

Tom with type ab blood marries anna. they have two children: eric with type b blood and jessica with type a blood. anna's father paul has type o blood, and her mother elizabeth has type a blood. a. what are the genotypes of tom and paul? b. what are the possible genotypes and phenotypes of anna? c. what is the genotype of eric? d. is it possible to define jessica's genotype and phenotype based on the information provided? why or why not?

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According to the provided information, A) Tom: IAIB / Paul: ii. B) Anna: IAi, blood type A or ii, blood type 0. C) Eric: IBi. D) Jessica's phenotype is A blood type. Her genotype can be either IAIA or IAi.

Available dataTom ⇒ Blood type ABEric ⇒ Blood type BJessica ⇒ Blood Type AAnna's father, Paul ⇒ Blood type 0Anna's mother ⇒ Blood type A

Tom's genotype

His blood type is AB, so he is carrying one IA allele and one IB allele.

Since they are co-dominant they express the phenotype AB.

His genotype is IAIB

Paul's genotype

Paul has blood type 0, meaning that he is carrying two recessive alleles, i.

His genotype is ii.

Anna' genotype:

If Anna's father is 0 blood type, then his genotype is ii

If Anna's mother is A blood type, then her genoytype is either IAIA or IAi

Anna got one allele from each parent, so her genotype and phenotype can be either

Genotype Phenotype

- IAi ⇒ Blood type A

- ii ⇒ Blood type 0

Eric's genotype

Eric is B blood type.

He must have inherited the IB allele from his father, Tom. Since Anna does not have a IB allele, she must have passed the i recessive allele to Eric.

So Eric's genotype is IBi.

Jessica's genotype and phenotype

Yes, Her phenotype can be defined ⇒ She is A blood type. This means that she is carrying at least one IA allele and no IB allele. No, Her genotype can not be defined. There are two potential options.

Jessica got an IA allele from her father, who is IAIB.

Jessica could have inherited a recessive allele i or a dominant allele IA from her mother, Anna.

Jessica's genotype can be either

Genotype Phenotype

- IAIA ⇒ Blood type A

- IAi ⇒ Blood type A

You can learn more about ABO blood type at

link

Answer from: Quest

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

click to let others know, how is it

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Tom with type ab blood marries anna. they have two children: eric with type b blood and jessica wit...