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Actually a chromosome consists of many genes/alleles and is neither recessive or dominant in and of itself.

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10y ago

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Is pku sex linked recessive or sex dominant?

I think I read somewhere that there are some variants of it that are recessive and others that are dominant.


Traits determined by recessive genes located on the x chromosomes are said to be?

Some traits are determined by recessive genes on the X chromosomes. Many times these are genetic disorders and are called recessive genes.


Describe the relationship between dominant and recessive trait forms?

Nondisjunction results in cells with abnormal numbers of chromosomes due to chromosomes not separating properly in meiosis. this causes some cells to end up with to many chromosomes and others to end up with not enough chromosomes. It messes up cell division and development and can lead to death or genetic disorders like down syndrome.


Is a allergie a recessive or a dominant?

It depends on the allergy, I assume. Some allergies may be recessive while others are dominant, while others still may be completely unrelated to genes.


What are the states that some alleles are dominant and others are recessive?

Mendel's law of inheritance.


What is chromosomes theory of inheritances?

We have learned over a very long time that the chromosomes carry genes that determine who we are and what we look like. Some genes are dominate and some are recessive. A person with a widow's peak hair line shows a dominate gene for hair line. He may also carry a gene for "round" hair line but it is recessive and not seen.


Is a gender a dominant or recessive gean?

Purebreds can be recessive or dominant, depending on their genotype. A genotype for spots on a griaffe could be AA (purebred dominant), Aa (heterozygous dominant), or AA (purebred recessive)? AA and Aa would both show the dominant phenotype, but only AA and AA are purebreds.


When two or more forms of the gene for a single trait exist some forms may be?

When two or more forms of a gene for a single trait exist, some forms may be dominant and others recessive. Dominant forms of a gene will be expressed over recessive forms in the phenotype. This is known as codominance or incomplete dominance.


Why would recessive traits be more common on boys than girls?

Only sex-linked recessive traits on the X sex chromosome are more common in males. This is because males receive only one X chromosome, so they cannot be heterozygous for a trait on the X chromosome. Females inherit two sex chromosomes, so they can be heterozygous, receiving both a dominant and a recessive allele on the X chromosomes.


Is sickle cell disease autosomal or x-linked or chromosomal?

Sickle cell disease is an autosomal recessive disorder, meaning that it is caused by a mutation in one of the autosomal chromosomes (chromosomes that are not sex chromosomes). In the case of sickle cell disease, the mutation occurs in the gene encoding the beta-globin subunit of hemoglobin on chromosome 11.


During sexual reproduction the new offspring gets half its traits from its mother and half from its father?

The new offspring will receive 23 chromosomes from the mother and 23 chromosomes from the father, for a total of 46 chromosomes. So in theory a new offspring will receive half the traits from their mother and half from their father. But some of their traits are dominant or recessive to if that father has all recessive genes and the mother has all dominant genes. There is a greater possibility that the new off spring would have more traits similar to their mother.


A sentence for the word dominant?

Some traits are dominant and others are receptive. The gene for blue eyes is recessive and the gene for brown eyes is dominant.