In a trihybrid cross what would be the chance of getting progeny with

1.	In a trihybrid cross what would be the chance of getting progeny with atleast one dominant alleles in f2 generation
Answer» Hey there! Here's your answer. *In every hybrid self-cross (F1 cross), there is only one progeny* in F2 *generation* which has all the recessive alleles. (You can cross check this using punnett square) So, if you consider the FOLLOWING cross ☛ AaBbCc × AaBbCc There will be only one progeny whose GENOTYPE will be aabbcc. Total number of progenies in the F2 generation of trihybrid cross = 4ⁿ = 4³ = 64.** If only one has all recessive alleles, then the rest 63 will have atleast 1 DOMINANT ALLELE. ☛ *Therefore, the CHANCE of getting atleast one dominant allele in F2 generation of trihybrid cross is = 63/64* Hope that helps. Thanks.

In a trihybrid cross what would be the chance of getting progeny with atleast one dominant alleles in f2 generation

Answer»

Hey there!

Here's your answer.

In every hybrid self-cross (F1 cross), there is only one progeny in F2 generation *which has all the recessive alleles.***

(You can cross check this using punnett square)

So, if you consider the FOLLOWING cross

☛ AaBbCc × AaBbCc

There will be only one progeny whose GENOTYPE will be aabbcc.

Total number of progenies in the F2 generation of trihybrid cross = 4ⁿ = 4³ = 64.

If only one has all recessive alleles, then the rest 63 will have atleast 1 DOMINANT ALLELE.

☛ Therefore, the CHANCE of getting atleast one dominant allele in F2 generation of trihybrid cross is = 63/64

Hope that helps.

Thanks.

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