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Greeley [361]
2 years ago
10

In 1936 J.W. McKay crossed a stock melon plant that produced tan seeds with a plant that

Biology
1 answer:
patriot [66]2 years ago
6 0

Answer:

Explanation:

Lets Tan seed be TT

Red seed be tt

A cross between TT ×tt will produce 4 Tt

TT× tt

!

F1 Tt Tt Tt Tt

a. Tan seed is dominant with an allele TT. It effect dominate that of red seed indicating it is a dominant traits while red seed is a recessive traits.

A dominant trait is a traits that is expressed in the phenotype of an organism the F1 generation are all Tan seeds this shows that the trait is dominant.

The genotype of the F1 melon is Tt in a dominant form

The F2 result follows the mendelian principle where segregation occur leading to a phenotypic ratio of 3:1

72Tan seeds:24red seeds

Where the 72 tan seed has the highest ratio and 24 red seeds has the smaller ratio.

Tt ×Tt

!

F2 TT Tt Tt tt

Phenotypic ratio 3:1

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