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An allele is one possible coding sequence that can be in a gene.
Often one gene will have several different possible alleles (e.g. for hair color).
Alleles are now understood to be alternative DNA sequences at the same physical locus, which may or may not result in different traits.
What else can I help you with?
What are contrasting forms of genes called?
Alleles
What type of alleles mask recessive alleles?
Dominant alleles :-)
Define Dominant Recessive Homozygous Heterozygous Purebreed and Hybrid?
Dominant: The trait observes when at least one dominant allele for a characteristic is inheritedRecessive: A trait that is apparent only when two recessive alleles for the same characteristic are inheritedHomozygous: Two of the same alleles for the same alleles (RR or rr)Heterozygous: Genotypes made of two different alleles (Rr)Pure breed: same definition as homozygousHybrid: same definition as Heterozygous
What term describes a pair of alleles that are the same?
Alleles that are the same = homozygous Alleles that are different = heterozygous
A trait controlled by four alleles is said to have?
A trait controlled by four alleles is said to have multiple alleles.
The theory of modern synthesis states that evolution involves changes in a population's?
population
More than one pair of alleles controls a trait?
It isn't genome the definition of genome is a map of the location of individual genes on every chromosome of an individual. It's multiple alleles- having more than two alleles that control a trait. PS- I got this information from my text book:)
What is the definition of hetorozygous?
You spelled it wrong! Its actually spelled heterozygous.adj.Having different alleles at one or more corresponding chromosomal loci.Of or relating to a heterozygote.
Two different forms of the same gene are called?
Alleles
What are contrasting forms of genes called?
Alleles
What type of alleles mask recessive alleles?
Dominant alleles :-)
Define Dominant Recessive Homozygous Heterozygous Purebreed and Hybrid?
Dominant: The trait observes when at least one dominant allele for a characteristic is inheritedRecessive: A trait that is apparent only when two recessive alleles for the same characteristic are inheritedHomozygous: Two of the same alleles for the same alleles (RR or rr)Heterozygous: Genotypes made of two different alleles (Rr)Pure breed: same definition as homozygousHybrid: same definition as Heterozygous
What term describes a pair of alleles that are the same?
Alleles that are the same = homozygous Alleles that are different = heterozygous
A trait controlled by four alleles is said to have?
A trait controlled by four alleles is said to have multiple alleles.
The different forms of a trait that a gene may have are called?
Alleles
What is the definition of homozygus?
Homozygous -It is the characteristic of having two identical alleles at the same locus of sister chromatids.homozygous means having identical alleles at corresponding chromosomal locus or the specific site of a particular gene on its chromosome
Circle the letter of each sentence that is true about alleles. a. Recessive alleles are never present when dominant alleles are present. b. Alleles are different forms of a gene. . c. Dominant alleles?
The true statements about alleles are: b. Alleles are different forms of a gene. Recessive alleles can be present alongside dominant alleles; they are simply masked by the dominant ones. The statement about dominant alleles is incomplete, so it cannot be evaluated as true or false.
