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law of segregation of alleles

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What did Gregor Mendel call the traits that disappear in the first generation?

Gregor Mendel called the traits that disappear in the first generation recessive traits. These traits are not expressed in the offspring when there is a dominant trait present.


What type of trait reappeared in the second generation?

In genetics, traits that reappear in the second generation are typically referred to as recessive traits. These traits may not be expressed in the first generation (F1) due to the dominance of a different trait but can resurface when the F1 individuals are crossed. This reappearance is a result of the segregation of alleles during gamete formation, allowing the recessive phenotype to manifest in some offspring of the second generation (F2).


Why did the ebony body color disappear in the F1 Generation and reappear in the F2 Generation?

The disappearance of the ebony body color in the F1 generation can be attributed to the genetic mixing that occurs during the hybridization process, which often leads to the expression of dominant traits over recessive ones. In the F1 generation, the dominant color traits may have masked the expression of the ebony color. However, the reappearance of the ebony body color in the F2 generation occurs due to the segregation of alleles during gamete formation, allowing the recessive ebony trait to manifest again when homozygous recessive individuals are produced.


Mendel saw purple flowers in the F generation but both purple and white flowers in the F How did this help him see that traits are inherited as discrete units?

Mendel's observation of the purple flowers in the F1 generation and both purple and white flowers in the F2 generation indicated that traits are inherited as discrete units called alleles. The presence of both traits in the F2 generation showed that the white flower trait was not lost and could reappear in later generations, demonstrating the concept of dominant and recessive alleles.


What was the original generation for pea plants in Mendel's experiment called?

The original generation for pea plants in Mendel's experiment is called the P generation, or parental generation. This generation consisted of the true-breeding plants that Mendel used to establish the traits he studied. The P generation was crossed to produce the F1 generation, which exhibited the traits inherited from the P generation.

Related Questions

What did Gregor Mendel call the traits that disappear in the first generation?

Gregor Mendel called the traits that disappear in the first generation recessive traits. These traits are not expressed in the offspring when there is a dominant trait present.


To describe how traits can disappear and reappear in a certain pattern from generation to generation Mendel proposed?

Mendel proposed the concept of dominant and recessive alleles that determine trait expression in offspring. Through his experiments, he discovered that traits can disappear in one generation due to being masked by dominant alleles, but can reappear in future generations when those recessive alleles are passed down and expressed. This pattern of inheritance is now known as Mendelian genetics.


Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 generation by proposing that?

Mendel proposed the concept of dominant and recessive traits, where recessive traits are masked in the F1 generation but can reappear in the F2 generation when two carriers of the recessive trait combine and show the trait. This is known as the Law of Segregation, where pairs of alleles separate during gamete formation, leading to the reemergence of hidden traits.


What type of trait reappeared in the second generation?

In genetics, traits that reappear in the second generation are typically referred to as recessive traits. These traits may not be expressed in the first generation (F1) due to the dominance of a different trait but can resurface when the F1 individuals are crossed. This reappearance is a result of the segregation of alleles during gamete formation, allowing the recessive phenotype to manifest in some offspring of the second generation (F2).


Why did the ebony body color disappear in the F1 Generation and reappear in the F2 Generation?

The disappearance of the ebony body color in the F1 generation can be attributed to the genetic mixing that occurs during the hybridization process, which often leads to the expression of dominant traits over recessive ones. In the F1 generation, the dominant color traits may have masked the expression of the ebony color. However, the reappearance of the ebony body color in the F2 generation occurs due to the segregation of alleles during gamete formation, allowing the recessive ebony trait to manifest again when homozygous recessive individuals are produced.


Mendel saw purple flowers in the F generation but both purple and white flowers in the F How did this help him see that traits are inherited as discrete units?

Mendel's observation of the purple flowers in the F1 generation and both purple and white flowers in the F2 generation indicated that traits are inherited as discrete units called alleles. The presence of both traits in the F2 generation showed that the white flower trait was not lost and could reappear in later generations, demonstrating the concept of dominant and recessive alleles.


What did Mendel call the observed trait and the trait that seemed to disappear?

he called the observed traits dominant and the disapear traits recessive.


What was the original generation for pea plants in Mendel's experiment called?

The original generation for pea plants in Mendel's experiment is called the P generation, or parental generation. This generation consisted of the true-breeding plants that Mendel used to establish the traits he studied. The P generation was crossed to produce the F1 generation, which exhibited the traits inherited from the P generation.


When traits seem to disappear when two different genes for the same trait are present?

NO, the traits do not disappear they are simply "masked". According to Mendelian theory there are DOMINANT (A) and RECESSIVE (a) traits. When Aa is present the recessive trait is masked therefore it does not show up. These are called alleles.


Traits seem to disappear when two different genes for same trait are present?

NO, the traits do not disappear they are simply "masked". According to Mendelian theory there are DOMINANT (A) and RECESSIVE (a) traits. When Aa is present the recessive trait is masked therefore it does not show up. These are called alleles.


What kinds of traits seem to disappear sometimes?

Recessive Traits


What can be expected for the recessive trait of monohybrids from the F2 generation?

In the F2 generation of monohybrids, the recessive trait can reappear in a ratio of 3:1 along with the dominant trait. This is because recessive traits can be masked in the F1 generation but resurface in the F2 generation due to genetic segregation.