A cross is performed between a plant with genotype ttyy and a plant with genotype ttyy. if the two genes independently assort, what is the probability, expressed as a decimal, that the offspring will be homozygous for gene t and homozygous for gene y?

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Answer 1
Answer:

The given question says a cross is performed between two homozygous recessive individual, both having genotype ttyy.

In any case, the gametes produced by these plants would be recessive for the trait and the cross between these individual would always give rise to a homozygous recessive progeny.

Hence, in any case, the progeny would be homozygous for allele t, and allele y.

So, the probability of offspring having homozygous for gene t and homozygous for gene y would be 100% or 1.


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Debaters seek to stand for what they have to.
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The choices are:
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Answer:

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Flu vaccines need to be revised and changed every year because the flu virus constantly mutates. Flu viruses can change in two ways: drift or shift. Antigenic drift occurs when genes of the virus slowly change during replication until the immune system no longer recognizes it. On the other hand, antigenic shift occurs when a major change in the virus happens. This usually leads to a totally different kind of virus. This is what happened during the H1N1 scare in 2009.

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Answer:

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Explanation:

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Answer:

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Explanation:

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