For each of the following genetic topics, indicate whether...

For each of the following genetic topics, indicate whether it focuses on transmission genetics, molecular genetics, or population genetics. a. Analysis of pedigrees to determine the probability of someone inheriting a trait. b. Study of people on a small island to determine why a genetic form of asthma is prevalent on the island c. Effect of nonrandom mating on the distribution of genotypes among a group of animals d. Examination of the nucleotide sequences found at the ends of chromosomes e. Mechanisms that ensure a high degree of accuracy in DNA replication f. Study of how the inheritance of traits encoded by genes on sex chromosomes (sex-linked traits) differs from the inheritance of traits encoded by genes on non-sex chromosomes (autosomal traits)

Transcript

00:01 Hello and welcome back to this session.

00:04 We're going to look at a very interesting biology topic, genetics.

00:12 And here we're going to focus on some very interesting topics, right? we're going to focus on transmission.

00:24 Transmission genetics.

00:29 We're going to talk about population genetics.

00:36 Population genetics, we're also going to talk about molecular genetics.

00:42 All right.

00:43 So we're given topics, we're given subjects, we're given scenarios around.

00:51 These are six scenarios here, and we're going to match them with either one of these, either being a transmission genetics, being a population genetics, and being molecular genetics.

01:06 We go first to define these terms.

01:08 We start defining molecular genetics we can see what molecular molecular genetics is first off okay and we tend to think that molecular biology molecular genetics rather just deals with the chemical nature the chemical nature of dna rna all right all nucleic acids collectively we call these nucleic, nucleic acids.

01:51 You know, how the structure of these influences genetics, you know, the genetic makeup of an organism or an inhibition.

02:00 So any scenario dealing with this tool or any other nucleic acid is going to be classified under molecular genetics, all right? another terminology here is you're going to look at this population in genetics.

02:19 Population population genetics and this is going to deal with genetic composition of groups of individuals all right remember of the same species species in to determine the changes over time and we want to see that we want to figure out what changes what changes occurs in a given species in an environment over a period of time and how genetics influences that using aspects of going to deal with aspects like mutation.

03:02 We're going to see how mutation shapes given population in an environment.

03:08 We also look at how selection, selection using mendelian, or other, using the laws of selection, how the selection influences population of a given area.

03:24 Also, there's another aspect of how evolution, evolution influences or changes a population of a given area.

03:37 Also another is genetic drift, genetic drift, okay, how it influences population...

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