Petals wwpp x wwpp produces 26 flowers with white petals and...

Name: petals wwpp x wwpp produces 26 flowers with white petals and 6 flowers with purple petals what is the most likely explanation for this resultnote the w gene produces a white colour while the 25256
Uploaded: 2021-09-30T20:42:12-08:00
Duration: 5 min 43 s
Channel: Bryan Valdivia
Description: petals wwpp x wwpp produces 26 flowers with white petals and 6 flowers with purple petals what is the most likely explanation for this resultnote the w gene produces a white colour while the 25256

petals (WwPp x WwPp) produces 26 flowers with white petals and 6 flowers with purple petals. What is the most likely explanation for this result?Note: The W gene produces a white colour while the P gene produces a purple colour.ADominant Epistasis I; P is epistatic to W and wBDominant Epistasis I; W is epistatic to P and pCDominant Epistasis II; W is epistatic to PDDominant Epistasis II; P is epistatic to W

Transcript

00:01 Okay, in order to answer this question, we have to talk about alleles.

00:03 It says in some flowers to genes control a flower fermentation, p and y, and w, sorry.

00:08 The allele for purple pigmentation is dominant to the allele, so big p, is purple, and it is dominant, purple allele, and the small p, let's make it like this, it is for wet pigmentation with allele, stated like this.

00:29 However, in the presence of the dominant, white a w allele okay flowers are wide regardless of the allele in the cow okay so whenever this is going to be the white allele okay in the small y is going to a code or we have to look for p look for p for the p gene okay it's a when a plant with red flowers is crossed okay so it's a plant with wet flowers it means a small homozygo dominant is crossed.

01:04 Also, remember that if it says that the plant is great, then it means it is homocybo excessive for a small w.

01:11 Okay? because we're only going to have purple or great flowers if this, if we have in the other gene, the homozyrolysis is for w.

01:21 Okay, so this great flower is crossed to a pure breathing plant with white flowers.

01:27 So we have this and we don't know here the genotype for the pg.

01:36 Okay, but we know that it is also homozygos.

01:39 It can be either homozygos dominant or homozygotestibic.

01:42 So it says that we cross them and we get 100 % white plants, white flowers in the aqua.

01:50 And this is also true because when you cross them, you're going to get, whenever you're going to get a lilies, you're going to get a space in a small p, okay? and also that big w and the small w.

02:00 So as you have this big w present, it is going to be white.

02:08 Okay, so then it says, when the f1 is self -fertilized, it means we cross them with each other.

02:18 The f2 consists of 161 plants where 123 are white, okay, are white, 299 are purple and nine are red flowers.

02:42 So it says that when we cross them, we're going to get purple.

02:46 So if we're getting purple, then it means there is a big pea here.

02:53 Okay, so practically this space represents the big p.

02:57 And the original genotype for the white plant in the part in the first cross was almost like dominant for the pin holes...

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