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Copy of Mendelian Genetics Reading Questions (5/28/2026)

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Poslední aktualizace about 1 month ago
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Poznámka od autora:

Ignore the letters in parenthesis, as they correspond to the diagram at the end of the formative.

Ignore the letters in parenthesis, as they correspond to the diagram at the end of the formative.

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Otázka 1
1.

In the 1860's, the principles of genetics were established by

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Otázka 2
2.

Mendel's ideas help us to describe how pass through generations

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Otázka 3
3.

Mendel used the common to help him perform his experiments

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Otázka 4
4.

The primary reason that Mendel used this plant was that it is fairly and, due to the work of others, knew much about them.

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Otázka 5
5.

Mendel used two types of pea seeds: and

1

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Otázka 7
7.

Next, Mendel crossed these P1 generation plants by breeding (cross-pollinating) a yellow-seeded plant with a

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Otázka 8
8.

The previous cross is known as a , because the two plants being crossed differ in only one trait

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Otázka 9
9.

The seeds (offspring) of this cross between the plants of the P1 generation are known as the

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Otázka 10
10.

All of this generation's seeds were , which meant that the trait had been masked or hidden.

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Otázka 11
11.

The conclusion that Mendel derived from observing this F1 generation was that the trait that was not hidden (in this case, yellow seed color) must be the trait while the trait that was hidden (in this case, green seed color) must be the trait

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Otázka 12
12.

Mendel's next step involved allowing the F1 plants to , which simply means that the self-pollinate, one plant fertilizes itself.

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Otázka 13
13.

The offspring of this F1 cross was known as the

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Otázka 14
14.

Mendel's observations of the F2 plants were that most of the seeds were yellow, however some of them were

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Otázka 15
15.

After performing these experiments numerous times, Mendel analyzed his data of the count of each seed color.  He calculated that the ratio of yellow-to-green seed color in the F2 generation was

Otázka 16
16.

Some of the conclusions that have been derived from Mendel's experiments are:

1. Inherited traits are determined by , which are now called

2. Each parent contributed for a single trait

3. Alternative forms of the same gene are known as

Otázka 17
17.

If an individual has two differing copies of the same gene (two different alleles) then they are said to be .

If an individual has two exact copies of the same gene then they are said to be .

Otázka 18
18.

Finally, Mendel determined that the alleles segregate during the formation of gametes (sperm/ovum) during meiosis of other alleles  - this is collectively known as the laws of segregation and independent assortment.

Otázka 6
6.

Mendel planted both of these seed types and observed that they both grew plants with the same color seed as that which was planted.  These plants were considered the first generation or the (P1).