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Tanzania [10]
3 years ago
14

In guinea pigs, assume black coat is completely dominant over white. to determine whether an unknown black guinea pig is pure or

hybrid black, it should be crossed with
Biology
1 answer:
ella [17]3 years ago
3 0
A white guinea pig because if the black guinea pig was a hybrid there would be a 50% chance that the offspring would be a colour other than black and if it was pure all the offspring would be black
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Angelina_Jolie [31]

X is the dominant gene, and x is the recessive gene.

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4 0
3 years ago
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Whoever can answer this is amazing ​
KiRa [710]

Answer:

I think it's A

Explanation:

Males get 1 X Chromosome from there mother and women get two Chromosome to start with

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PtichkaEL [24]

Answer:

The correct option is D

Explanation:

Beta-thalassemia major is a hereditary disorder that usually causes severe anaemia. This mutation/disorder eventually leads to death if untreated especially during in the first two years of infancy. The treatment usually involves the transfusion of blood to clear the phenotypic blockage caused by the mutation. However, it requires both alleles to have the thalessemia mutation for a patient to be said to have beta-thalassemia major. Hence, <u>it is </u><u>not true</u><u> that it involves just the x allele and thus affects males more often than females</u>.

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