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Two genes which govern the same characteristics are called alleles. Alleles located at the same locus on a chromosome pair determine phenotype (the expressed characteristic), at least in simple Mendelian genetics. Characteristics can also be controlled from two loci (epistatic/hypostatic) and from several loci (polygenic).
There is space on the genome for 2 alleles for a certain characteristic. One is taken from each parent.
For example, you might have one allele coding for black fur (B) and another for white (b).
Alleles have different dominance so if the allele for black fur was dominant you have two allele combinations that would result in black fur: BB and Bb
There is only one combination that could result in white fur: bb
The less dominant allele is known as the recessive allele.
What else can I help you with?
What are the factors that control a trait called?
The factors that control a trait can include genetic influences (such as genes and alleles), environmental influences (such as diet and exposure to toxins), and the interactions between genetics and the environment. Additionally, epigenetic factors can also play a role in the regulation of gene expression and the manifestation of traits.
What do you call oransim that posssses two dominant or two recessive genes for a single trait?
Homozygous dominant for two dominant genes or homozygous recessive for two recessive genes.
What do we call genes that are hidden when paired with a different allele in genetics?
Genes that are hidden when paired with a different allele in genetics are called recessive genes.
Scientists call an organism that has two different alleles for a trait is what?
an organism that has two different alleles for a trait is heterozygous
What scientists call an organism that has two different alleles for a trait a ....?
Hybrid
What do you call one set of instuctions for an inherited trait?
genes
What do you call chromosomes that have the same length and carry genes for the same trait?
It is Homologous chromosomes because they carry thesame genes and homones.
What are the factors that control a trait called?
The factors that control a trait can include genetic influences (such as genes and alleles), environmental influences (such as diet and exposure to toxins), and the interactions between genetics and the environment. Additionally, epigenetic factors can also play a role in the regulation of gene expression and the manifestation of traits.
What do you call chromosome that look alike and carry genes for the same trait?
Chromosomes that look alike and carry genes for the same trait are called homologous chromosomes. The nucleus contains these chromosomes.
What do you call an organism that possesses one dominate and one recessive genes for a single trait?
heterozygous
What do you call a organism that possesses one dominate and one recessive genes for a single trait?
heterozygous
What do you call an organism that possesses one dominant and one recessive genes for a single trait?
heterozygous
What do you call oransim that posssses two dominant or two recessive genes for a single trait?
Homozygous dominant for two dominant genes or homozygous recessive for two recessive genes.
What do we call genes that are hidden when paired with a different allele in genetics?
Genes that are hidden when paired with a different allele in genetics are called recessive genes.
What do you call an organism that has two different allelesfor a trait?
Heterozygous
Scientists call an organism that has two different alleles for a trait is what?
an organism that has two different alleles for a trait is heterozygous
What do scientist call an organisms that has two different alleles for a trait?
Heterozygous.
