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Dominant Traits

A cross betwe...

Question

A cross between homozygous coloured rabbit with an albino leads to ........... percentage of a homozygous albino rabbit.

A

25%

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B

50%

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C

65%

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D

None of the above

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Solution

The correct option is A 25%

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Similar questions

Q. A crossing of a homozygous coloured rabbit with an albino leads to ........... percentage of a homozygous coloured rabbit.

Q. In a case of mammalian coat color, the principal gene identified is

^{'} C^{'}

which codes for a tyrosinase enzyme. In case of rabbits four different phenotypes are observed.
Full Color > Chinchilla > Himalyan - Albino (in order of the expression of gene

^{'} C^{'}

and its alleles). In a progeny obtained after crossing two rabbits, the percentages of Chinchilla, x-Hunalayan and Albino rabbits were

50, 25

25

respectively What must have been the

C

genotypes of the parent rabbits?

Q. In rabbits, black skin (B) is dominant over brown skin (b) and short hair (S) is dominant over long hair (s). If a homozygous black skin, short-haired male is crossed with a homozygous brown skin, long-haired female, all

F_{1}

offspring are heterozygous black and short-haired. What would be the percentage of the homozygous black skin, short-haired offspring, if a male and female of

F_{1}

generation are made to breed?

An organism with a homozygous recessive genotype is made to undergo a test cross which results in 50% of the offspring exhibiting the recessive trait. The test cross parent is:

I. Homozygous recessive

II. Homozygous dominant

III. Heterozygous

Q. Study the following statements.
(A) A homozygous tall plant is crossed with a homozygous dwarf plant.
(B) A heterozygous tall plant is selfed.
(C) A heterozygous tall plant is crossed with the homozygous dwarf plant.
(D) A heterozygous tall plant is crossed with a homozygous tall plant.

Which of the given percentage of dominant traits matches with the aforementioned statements.

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