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zalisa [80]
3 years ago
6

A bond that is formed due to one atom donating an electron to another atom is called a

Biology
1 answer:
Jlenok [28]3 years ago
4 0

Answer:

option B

Explanation:

The correct answer is option B.

The bond formed by donating electron is called Ionic bond.Ex LiF,NaCl

Bond formed by mutual sharing of electron between two atoms is know as Covalent bond. Ex CO, IBr

hydrogen bond is the bond formed between the hydrogen and highly electro negative compound. Ex: H₂O, NH₃

Polar bond is a covalent bond which is between two atoms where the electrons are unequally distributed.

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Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as an X-linked recessive allele in humans. A woman whose father
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(a) 1/2; (b) no

Explanation:

Glucose-6-phosphate dehydrogenase deficiency (G6PD) is an X-linked recessive disorder and the woman's father was diseased so it means that woman is a carrier of the allele but has normal phenotype. It means that she will have XXᵇ genotype.

In contrast to this, her husband is diseased so his genotype will be XᵇY.

The Punnett square diagram related to the cross is attached.

(a) Proportion of their sons expected to be G6PD is 1/2:

They both may give birth to 4 progeny with genotypes XXᵇ, XᵇXᵇ, XY and XᵇY. It means they both may have 2 sons out of which one with genotype XᵇY will be diseased while the one with genotype XY will be healthy. So the proportion of their sons having G6PD is 1/2 or 50%.

(b) If the husband were G6PD deficient, the answer will not change.

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