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Q: When can a child do genotype test?
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What is the genotype of a woman with A blood and a man with b blood and a child with o blood?

In this case both parents must be heterozygous to have this child. This means the mother will have the genotype AO and the father will have the genotype BO. In order to have blood type O, the child must have the genotype OO.


Can a child's genotype be different from that of both parents?

A genotype is decided from two alleles. One of these alleles comes from the father, and one comes from the mother. Thus it should be clear that the genotype can be different from both parents. For instance, suppose the father has genotype AA, and the mother has genotype aa. In this case, the child will have genotype Aa, which neither parent has.


What is the probability of a man who has BB genotype and his wife who has BO genotype to have a child who is AB?

No probability. Neither parent has an "A" for the child to inherit to make an "AB".


What blood type would a baby have if both parents have blood type O positive?

The gene for blood type O is recessive. The mother can only have the phenotype O if she has the genotype OO. The gene for blood type B is dominant, the father has the phenotype B, but can have the genotype BB or BO. If the father is genotype BB, the child will be B + O = BO genotype; hence B phenotype. If the father is genotype BO, the child can be B + O = BO genotype; hence B phenotype (50% chance). Or O + O = OO genotype (O phenotype, 50% chance). * Phenotype = displayed trait that can be found with a simple blood test. * Genotype = genetic make up (one part from each parent), this requires a DNA test to be confirmed; however, it can sometimes be deduced by logic.


Can an AA and SS combination produce an SS genotype?

No because AA and SS create the genotype AS :)

Related questions

What is the genotype of a woman with A blood and a man with b blood and a child with o blood?

In this case both parents must be heterozygous to have this child. This means the mother will have the genotype AO and the father will have the genotype BO. In order to have blood type O, the child must have the genotype OO.


What is the child's genotype if parents both have normal arches produce a child with flat feet?

Child's genotype would be homozygous recessive alleles (nn) and parents would both have heterozygous dominant alleles (Nn).


What is the genotype of the control bulls he should use to test for the heterozygous genotype?

homzygous recessive


What will be the blood group of a child if the parents were bb?

If both parents are genotype BB, the child can only be blood type B. The child's genotype would also be BB.


Can a child's genotype be different from that of both parents?

A genotype is decided from two alleles. One of these alleles comes from the father, and one comes from the mother. Thus it should be clear that the genotype can be different from both parents. For instance, suppose the father has genotype AA, and the mother has genotype aa. In this case, the child will have genotype Aa, which neither parent has.


What is the probability of a man who has BB genotype and his wife who has BO genotype to have a child who is AB?

No probability. Neither parent has an "A" for the child to inherit to make an "AB".


What is the percent probability that one child of a mother with the genotype AAA and a father with the genotype AAA will have the genotype AAA?

50% AA and 50% Aa


What blood type would a baby have if both parents have blood type O positive?

The gene for blood type O is recessive. The mother can only have the phenotype O if she has the genotype OO. The gene for blood type B is dominant, the father has the phenotype B, but can have the genotype BB or BO. If the father is genotype BB, the child will be B + O = BO genotype; hence B phenotype. If the father is genotype BO, the child can be B + O = BO genotype; hence B phenotype (50% chance). Or O + O = OO genotype (O phenotype, 50% chance). * Phenotype = displayed trait that can be found with a simple blood test. * Genotype = genetic make up (one part from each parent), this requires a DNA test to be confirmed; however, it can sometimes be deduced by logic.


Can an AA and SS combination produce an SS genotype?

No because AA and SS create the genotype AS :)


If Father has o neg and mother has a positive what will the daughter be?

If the mother's genotype is AA, the child can be A+ or A- If the mother's genotype is AO, the child can be A+, A-, O+, or O- Most likely A+


What is the important of test cross?

to determine the unknown genotype.


The mating of an individual of unknown genotype with one that is homozygous recessive in order to determine the unknown genotype is a?

Test Cross.