Which of the following is not a component of the law of...

Name: Problem 2, Chapter 10: Essentials of Biology
Uploaded: 2021-03-12T22:12:35-08:00
Duration: 4 min 33 s
Channel: Eric Goldman
Description: Which of the following is not a component of the law of segregation? a. Each gamete contains one factor from each pair of factors in the parent. b. Factors segregate during gamete formation. c. Following fertilization, the new individual carries two factors for each trait. d. Each individual has one factor for each trait.

Which of the following is not a component of the law of segregation? a. Each gamete contains one factor from each pair of factors in the parent. b. Factors segregate during gamete formation. c. Following fertilization, the new individual carries two factors for each trait. d. Each individual has one factor for each trait.

Which of the following is not a component of the law of segregation?
a. Each gamete contains one factor from each pair of factors in the parent.
b. Factors segregate during gamete formation.
c. Following fertilization, the new individual carries two factors for each trait.
d. Each individual has one factor for each trait.

Key Concepts

Law of Segregation

The Law of Segregation is a fundamental principle of genetics stating that an organism possesses two alleles for each trait, and these alleles separate during gamete formation so that each gamete receives only one allele. This concept explains how traits are passed from parents to offspring and underpins Mendelian inheritance.

Alleles

Alleles are different forms or variants of a gene that determine specific traits. In diploid organisms, traits are determined by pairs of alleles, and the random segregation of these alleles during gamete formation is central to understanding how genetic variation is transmitted.

Meiosis and Gamete Formation

Meiosis is the process by which diploid cells produce haploid gametes, ensuring that each gamete contains a single set of chromosomes. During this process, the paired alleles are separated, a mechanism that is crucial to the Law of Segregation.

Diploidy

Diploidy refers to the state where an organism has two complete sets of chromosomes, one from each parent. While the resulting zygote is diploid, the process of gamete formation involves reducing this to a haploid state, during which the segregation of alleles occurs, aligning with Mendelian principles.

Transcript

00:01 For this question, it may help to first define the law of segregation.

00:06 So the law of segregation is going to state that the chromosomal or genetic material from one parent is going to be conserved when it is passed to the child.

00:20 So here we're talking about the location of the trait or the allele, and it's going to be passed identically 100 % to the child.

00:37 It's also important to note that the genetic material from the mother and the father are both going to combine in typically 50 % in order to make up a 100 % genetic material of the offspring.

01:02 So here, if we consider our answer choices, we have a gamete combination where two gametes come together to form the 100 % genetic genetic.

01:20 Material of the offspring.

01:23 We have gamete formation, which is going to contain half the genetic material from either the father or the mother.

01:35 We have two factors per trait, and we have one factor per trait.

01:48 So if we start at the top, if we're considering the combination of two gametes, we're going to have the mother's gamete and the father's gamete, and these are going to to meet together to form the zygote that is going to give rise to the offspring.

02:09 Of course this is going to be in a genetic combination of 1 to 1, 50 % to 50%.

02:19 So this still follows the rules that it's 50 % of each individual's dna and they're passed in equal amounts to express one trait in the final individual...

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