Which allele is expressed only in a patch of skin?
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Asked By: Nevada Hutchens
Date created: Wed, Oct 5, 2022 12:11 PM
Date updated: Tue, May 14, 2024 9:15 AM
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Video answer: Alleles and Genes
Best answer to the question «Which allele is expressed only in a patch of skin?»
Hence: In a patch of skin in which the X chromosome carrying the B allele is inactivated, that patch of skin will express only the b allele (black fur). In a patch of skin in which the X chromosome carrying the b allele is inactivated, that patch of skin will express only the B allele (orange fur).
Video answer: 107 Chapter 9 Part 2
We've handpicked 22 related questions for you, similar to «Which allele is expressed only in a patch of skin?» so you can surely find the answer!
What is the difference between the dominant and recessive allele?The dominant allele of a gene will always be expressed while the recessive allele of a gene will be expressed only if the organism has two recessive forms.Thus, if both parents are carriers of a recessive trait, there is a 25% chance with each child to show the recessive trait.
What are the different types of dominance in biology?
Related Biology Terms 1 Codominance â When two dominant alleles are expressed separately, in different areas of an organism. 2 Incomplete Dominance â When two dominant alleles are expressed equally, in every cell. 3 Recessive Allele â An allele that is completely masked phenotypically by a dominant allele. More items...
What is an example of a codominant allele?
In codominance, the dominant alleles are both expressed, but they are segregated from each other in which areas they are expressed. This can be easily seen in cattle. In the following picture, cattle have two codominant alleles: red and white. A cow with two red alleles is only red, and a cow with only white alleles is only white.
What does it mean to be heterozygous for hair color?
For example, being heterozygous for hair color could mean you have one allele for red hair and one allele for brown hair. The relationship between the two alleles affects which traits are expressed. It also determines what characteristics youâre a carrier for.
Video answer: Chapter 16.2: Gene inheritance
How do alleles interact in a heterozygous genotype?
In a heterozygous genotype, the two different alleles interact with each other. This determines how their traits are expressed. Commonly, this interaction is based on dominance. The allele thatâs expressed more strongly is called âdominant,â while the other is called ârecessive.â
What is a patch test for skin rashes in cats?
A patch test is a simple test in which the veterinarian will take a sample of the suspected irritant and tape it directly on the catâs skin. The substance will remain on the catâs skin for a duration of time, then removed for assessment. If a rash appears underneath the taped substance, the skin rash substance has been pinpointed.
What is the dominant allele in cat coat color?
The B allele, which produces black fur, is dominant, meaning a cat only needs to get a B allele from one parent in order to be black. Two other recessive alleles of the B gene, b and bâ, produce chocolate and cinnamon coat colors, respectively. 2. A: Agouti vs. non-agouti This gene controls the coatâs "ticking," or banding of colors on a catâs fur.
What gene controls the color of a tabby cat?
The agouti gene controls whether the tabby markings are expressed or not. The dominant agouti allele, with the symbol A, will express the tabby pattern. The recessive a hides the tabby pattern, to produce a solid (self) coat colour from the root of the hair to the tip.
How many alleles do individuals inherit from one parent?
Individuals inherit two versions of each gene, known as alleles, from each parent. In the case of a dominant trait, only one copy of the dominant allele is required to express the trait. The effect of the other allele (the recessive allele) is masked by the dominant allele.
Is there a pain patch for cats with cancer?
The patch provides continuous delivery of pain relief for cats after surgery or injury and is also helpful for cancer patients. Fentanyl can cause respiratory depression (not breathing adequately) in some cats, and the adhesive on the back of the patch sometimes causes skin irritation. Tramadol is also an opiate.
Video answer: Color genetics in domestic animals
What is an example of a homozygous trait?
If your parents both pass down the same allele to you, youâre homozygous for that trait. Another example is flower color, which is often determined by alleles. Letâs imagine a plant with an allele that results in a yellow color and another allele that results in a red color.
Which allele is inactivated in a heterozygous CAT?
In the one on the right, the black allele is inactivated. A heterozygous cat will be a patchwork of these two types of cells.
Why is inbreeding depression seen only in smaller populations?
Finally, inbreeding depression is mainly seen only in smaller populations rather than the larger populations. Because in the smaller population, when the individuals mate, there are possibilities that an offspring inheriting two copies of the same recessive deleterious allele will suffer the significances of expressing the deleterious allele.
What kind of allele makes a calico cat soft?
(Another common allele is an allele called dilute, which makes the colour softer, black to grey and orange to apricot as in the picture.) The calico cat has one X chromosome inactivated in each cell and the inactivation of that one X is for her entire life.
Where is the orange allele on the X chromosome?
This gene is located on the X chromosome. The orange allele is O, and is codominant with non-orange, o. Males can typically only be orange or non-orange due to only having one X chromosome. Since females have two X chromosomes, they have two alleles of this gene.
Does diabetes cause skin darkening?
Symptoms of diabetes are visible on skin as well. Uncontrolled blood sugar levels also affect the skin of the patient. Here are some common visible signs of diabetes on skin. During the initial stage a diabetes patient may experience patches on the skin. Patches of dark skin can form on the neck or armpits. This patch can be soft.
Can a female cat be both Orange and black?
Since cats have only one X chromosome, they can only receive one allele, and either be orange or black. Female cats have two X chromosomes, which results in more options. As the name of this gene suggests, this gene, D/d, affects the intensity of the resulting color.
What determines the color of a catâs fur?
This gene controls the coatâs "ticking," or banding of colors on a catâs fur. The dominant allele, A, produces banded furs which help to create the tabby pattern. The recessive allele, a, makes the catâs fur a solid color from tip to root.
Do cats defecate in your vegetable patch?
As such there can be risks associated with cats defecating in your vegetable patch, which is particularly attractive to cats as it often has freshly dug soil and bare earth. There are various ways to discourage cats from visiting your garden and veg plot.
What is an example of a dominant allele in a cat?
An example of a dominant allele is the agouti allele for coat color in cats. Agouti produces a striped pattern, whereas the non-agouti allele produces a solid coat. Cats with an agouti phenotype have at least one copy of the agouti allele and may be homozygous dominant or heterozygous.
What does it mean when a kitten is orange in color?
Tara: We also noticed that youâve got one little orange creamsicle kitten in your litter. When you have an orange female kitten, that means she inherited one orange allele from her mother, the calico cat, and one orange allele from her father. Because male cats only have one X chromosome, we can assume that the father was orange.
Why is my cat missing patch of hair?
- They were born with a harmless skin condition.
- Itâs a side effect of an easy-to-treat condition.
- They are sick.
Video answer: Genetics Laws of Inheritance
