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Tanzania [10]
3 years ago
12

The ability to taste PTC is a dominant trait. If you cross a heterozygous taster with a non-taster, choose the correct answers b

elow to complete the punnett square.
A. T
B. t
C. Tt
D. tt
E. TT
Medicine
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

Tt and tt

Explanation:

Dominant alleles are written with capital letters.

Recessive alleles are written with lowercase letters.

When an allele is <u>dominant</u>, the individual only needs <u>one</u> copy of it in order for the trait it codes to be expressed.

When an allele is <u>recessive</u>, the individual needs to have<u> two </u>copies of it in order for the trait it codes to be expressed.

Given the gene T/t, which determines the ability to taste PTC, there are 3 possible genotypes for a person:

  • TT, homozygous taster.
  • Tt,  heterozygous taster
  • tt, homozygous non-taster

The cross between a heterozygous taster with a non-taster would be:

<h2>    Tt  x  tt</h2>
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