In Humans, How Many Different Genotypes Are Possible For An X-Linked Gene With Three Alleles

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In Humans How Many Different Genotypes Are Possible For An X-linked Gene With Three Alleles?

six possible genotypes

How many genotypes are possible with an X linked gene with six alleles?

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The answer is 14.

How many genotypes are possible with 4 alleles?

10 genotypes

4 alleles there are 1 + 2 + 3 + 4 = 10 genotypes.

How many genotypes does 8 alleles have?

36 possible genotypes

Therefore 8 alleles of a gene can have 36 possible genotypes in the population.

What are the 3 types of genotypes?

There are three types of genotypes: homozygous dominant homozygous recessive and hetrozygous.

How many different genotypes are possible?

three possible

With alleles ‘A’ and ‘a’ there are three possible genotypes AA Aa and aa. With three alleles 1 2 3 there are six possible genotypes: 11 12 13 22 23 33. First we must appreciate that genes do not act in isolation.

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Could a mating between a chinchilla rabbit and an albino rabbit produce a Himalayan rabbit?

If the chinchilla rabbit is true-breeding then all of the offspring would be chinchilla if there are any other alleles present such as the Himalayan or albino allele then there will be other-colored offspring in the phenotypic ratio of 1 chinchilla : 1 Himalayan/albino.

How many genotypes are possible with 5 genes?

The formula that predicts the number of genotypes from the number of genes is 3 to the power n.

# of Genes	# of Genotypes
1	3
2	9
5	243
10	59 049

How many genotypes are possible at a locus with five alleles?

For five alleles (n = 5) we get 15 possible genotypes and five homozygotes. For eight alleles there are 36 possible genotypes.

How do you find the possible genotypes?

A Punnett square is one of the simplest ways to determine genotype. The square is actually a mini-chart used to determine the potential genotype for an offspring with respect to particular trait.

How many chromosomes do humans have?

46
In humans each cell normally contains 23 pairs of chromosomes for a total of 46. Twenty-two of these pairs called autosomes look the same in both males and females. The 23rd pair the sex chromosomes differ between males and females.Jun 1 2021

How many phenotypes are possible?

A fetus receives one of these three alleles from each of its parents. This produces four possible phenotypes (blood types) and six possible genotypes.

What is the genotype of RR?

The (RR) genotype is homozygous dominant and the (rr) genotype is homozygous recessive for seed shape. In the image above a monohybrid cross is performed between plants that are heterozygous for round seed shape. The predicted inheritance pattern of the offspring results in a 1:2:1 ratio of the genotype.

What is AA and AS genotype?

If the dominant allele is labeled as “A” and the recessive allele “a” three different genotypes are possible: “AA” “aa” and “Aa”. The term “homozygous” is used to describe the pairs “AA” and “aa” because the alleles in the pair are the same i.e. both dominant or both recessive.

What are 2 examples of genotypes?

Other examples of genotype include: Hair color. Height. Shoe size.
…
Genotype examples

A gene encodes eye color.
In this example the allele is either brown or blue with one inherited from the mother and the other inherited from the father.
The brown allele is dominant (B) and the blue allele is recessive (b).

How many types of genotypes are formed in f2?

Hence 9 different genotypes are possible in Mendel dihybrid cross and the correct option is (B).

How many different genotypes are possible in cross of RR and RR?

Three different genotypes are possible to form a cross between the parents RR and rr. This cross between RR and rr is defined as a monohybrid cross.

How many alleles are in a genotype?

two alleles

Some genes have a variety of different forms which are located at the same position or genetic locus on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus with one allele inherited from each parent. Each pair of alleles represents the genotype of a specific gene.

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What would be number of possible genotypes in case of multiple alleles?

Although there are three alleles present in a population each individual only gets two of the alleles from their parents. This produces the genotypes and phenotypes shown in the figure below. Notice that instead of three genotypes there are six different genotypes when there are three alleles.

Which genotypes are possible for an agouti rabbit?

All wild rabbits have a Chestnut Agouti coat meaning their genotypes are “A__ B__ C__ D__ E__.” These are the most common genes. The most recessive gene is the “e” gene. This gene shows little of the dark color if at all. The colors that show are reddish yellow colors.

What is the genotype of GREY Bunny?

Chart of 144 Rabbit Coat Colors And Their Genotypes

C – Full Color	c_chd – Chinchilla
Lilac [Self] aa bb C- dd E-	Lilac Self Chinchilla aa bb c_chd– dd E-
Black Tortoiseshell aa B- C- D- ee	Sallander (Iron Grey) aa B- c_chd– D- ee
Chocolate Tortoiseshell aa bb C- D- ee	Chocolate Sallander aa bb c_chd– D- ee

What is a genotypic ratio example?

It describes the number of times a genotype would appear in the offspring after a test cross. For example a test cross between two organisms with the same genotype Rr for a heterozygous dominant trait will result in offspring with genotypes: RR Rr and rr. In this example the predicted genotypic ratio is 1:2:1.

How many genotypes does a Trihybrid Cross have?

27 different genotypes

There are 27 different genotypes possible in trihybrid cross hence its genotypic ratio is not mentioned.

What is genotype BB?

An organism with two dominant alleles for a trait is said to have a homozygous dominant genotype. Using the eye color example this genotype is written BB. An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype. In our example this genotype is written Bb.

How many possible two locus genotypes are there?

16 different genotypes

Each individual has 4 genes (with two possible alleles each) resulting in that 16 different genotypes are possible.

Can a locus have more than 2 alleles?

Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically there are only two alleles for a gene in a diploid organism. When there is a gene existing in more than two allelic forms this condition is referred to as multiple allelism.

How many alleles can be at a 2 base locus?

A given gene may have multiple different alleles though only two alleles are present at the gene’s locus in any individual.

What is my genotype?

In a nutshell: your genotype is your complete heritable genetic identity the sum total of genes transmitted from parent to offspring. There are four hemoglobin genotypes (hemoglobin pairs/formations) in humans: AA AS SS and AC (uncommon). SS and AC are the abnormal genotypes or the sickle cells.

Do humans have 72 chromosomes?

Chromosomes the building blocks of you: Within the human body there are trillions of microscopic cells that contain all of the stuff that allow our bodies to function. … Your genome or complete set of genes and genetic material are written across 23 pairs of chromosomes making 46 chromosomes total.

How many chromosomes do humans have during mitosis?

46 chromosomes

Once mitosis is complete the cell has two groups of 46 chromosomes each enclosed with their own nuclear membrane. The cell then splits in two by a process called cytokinesis creating two clones of the original cell each with 46 monovalent chromosomes.

How many pairs of SAT chromosomes are present in humans?

NOR occurs (13 14 15 21 22) in SAT (satellite chromosome) chromosomes. Hence option D: 5 is the correct answer. Note: Each cell usually contains 23 pairs of chromosomes in human beings for a total of 46.

How many different genotype and phenotype are possible in the ABO?

The ABO blood group antigens are encoded by one genetic locus the ABO locus which has three alternative (allelic) forms—A B and O. A child receives one of the three alleles from each parent giving rise to six possible genotypes and four possible blood types (phenotypes).

How many genotypes and phenotypes are possible?

There are three common alleles in the ABO system. These alleles segregate and assort into six genotypes as shown in Table 1. As Table 1 indicates only four phenotypes result from the six possible ABO genotypes.