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densk [106]
3 years ago
11

Choose the appropriate vocabulary term to complete each statement.

Biology
2 answers:
rosijanka [135]3 years ago
7 0

The answers would be:

In Mendel’s crosses, the <u>recessive </u>trait is visible in the F2 generation, but not the F1 generation.  

After crossing a tall pea plant with a short pea plant, all of Mendel’s pea plants were tall because it is the <u>Dominant</u><u><em> </em></u>trait.  

For seed color, the F2 generation produced both yellow and green seeds because there are two different <u>alleles </u>for each gene.

If you'd like to know more, read on:

Alleles are variants of genes that control traits. There are two alleles called the dominant and recessive allele.

A dominant allele is a trait that is physically expressed even when coupled with a recessive allele. A recessive allele on the other hand is the trait that is masked by the dominant allele.

This is what happened in Mendel's crosses. He crossed a true-breeding tall plant with a true breeding short plant.

P generation

TT - Tall plant

tt - Short plant

The result in the F1 generation that consisted only of Tt plants, where the dominant allele was expressed.

    T    T

t   Tt   Tt

t   Tt   Tt


Then he crossed the F1 generation to produce the F2 generation.

Tt x Tt

The results:

     T    t

T  TT   Tt

t    Tt    tt

As you can see the resulting offsprings shows that the recessive trait occurring, tt. This means that there was a 25% chance that the off springs produced would short plants and 75% that the offsprings produced is tall. This applies also to the color of the seeds if we cross the pea plants based on the color of seeds.

-BARSIC- [3]3 years ago
7 0

Answer:

Recessive

Dominant

Alleles

Explanation:

Just did it (:

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