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2 different alelles - heterozygous

Same alelles - homozygous

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Which is not a characteristic of homologous chromosomes?

Homologous chromosomes do not have identical DNA sequences; while they carry the same genes, the alleles (variations of those genes) can differ between the chromosomes. Additionally, homologous chromosomes can vary in size, shape, and genetic content due to the presence of different alleles and possible structural differences. Thus, the key characteristic that is not true for homologous chromosomes is that they are not identical in sequence.


What are chromosomes that appear identical are called?

Chromosomes that appear identical are called homologous chromosomes. They carry the same genes in the same order but may have different versions of those genes (alleles). Homologous chromosomes are inherited, one from each parent, and are important for genetic variation and the process of meiosis.


Can any of the gametes be identical to each other after crossing over took place?

Yes, some gametes can be identical to each other after crossing over occurs during meiosis. Crossing over involves the exchange of genetic material between homologous chromosomes, which can create new combinations of alleles. However, if crossing over does not occur between two homologous chromosomes or if the alleles on the chromosomes are identical, the resulting gametes can be genetically identical.


Why the chromosomes in twins are the same?

Twins can have identical chromosomes if they are monozygotic (identical twins) because they develop from a single fertilized egg that splits into two embryos. This results in both twins having the same genetic makeup and identical chromosomes.


Are All alleles at a specific gene locus are identical?

No, all alleles at a specific gene locus are not identical. Alleles are different forms of a gene that can result in different traits or characteristics. Each individual inherits two alleles for each gene, one from each parent. These alleles may be the same (homozygous) or different (heterozygous).

Related Questions

What are a pair of genes that are identical called?

A pair of genes that are identical are called alleles. Alleles are different forms of the same gene that occupy the same position on homologous chromosomes.


Which is not a characteristic of homologous chromosomes?

Homologous chromosomes do not have identical DNA sequences; while they carry the same genes, the alleles (variations of those genes) can differ between the chromosomes. Additionally, homologous chromosomes can vary in size, shape, and genetic content due to the presence of different alleles and possible structural differences. Thus, the key characteristic that is not true for homologous chromosomes is that they are not identical in sequence.


When two alleles of a pair are identical it is a condition if the two alleles are different this is a condition?

When two alleles of a pair are identical, it is referred to as homozygous. When the two alleles are different, it is referred to as heterozygous. Homozygous individuals have two identical alleles (e.g., AA or aa), while heterozygous individuals have two different alleles (e.g., Aa).


Do homologous chromosomes always have identical alleles?

no they don't necessarily have to have the same alleles but they have the same genes. Homozygous chromosomes would have the same allele for a particular gene and heterozygous chromosomes would have different alleles for a particular gene.


What are chromosomes that appear identical are called?

Chromosomes that appear identical are called homologous chromosomes. They carry the same genes in the same order but may have different versions of those genes (alleles). Homologous chromosomes are inherited, one from each parent, and are important for genetic variation and the process of meiosis.


What is the relationship between alleles and chromosomes?

All chromosomes consist of genes and non coding material. Animals with chromosomes arranged in the double helix pattern have two almost identical genes on the chromosomes opposite from the other. When those two genes in particular are discussed, they are called alleles. Frequently one is expressed and one is not, or one is dominant and the other is not.


Can any of the gametes be identical to each other after crossing over took place?

Yes, some gametes can be identical to each other after crossing over occurs during meiosis. Crossing over involves the exchange of genetic material between homologous chromosomes, which can create new combinations of alleles. However, if crossing over does not occur between two homologous chromosomes or if the alleles on the chromosomes are identical, the resulting gametes can be genetically identical.


Why the chromosomes in twins are the same?

Twins can have identical chromosomes if they are monozygotic (identical twins) because they develop from a single fertilized egg that splits into two embryos. This results in both twins having the same genetic makeup and identical chromosomes.


Do homologous chromosomes have identical genes Explain?

Homologous chromosomes do not have identical genes. They are similar in that they carry the same genes in the same order, but they may have different versions of those genes (alleles) that can result in variations in traits. This genetic diversity is important for promoting evolution and adaptation in a population.


Are All alleles at a specific gene locus are identical?

No, all alleles at a specific gene locus are not identical. Alleles are different forms of a gene that can result in different traits or characteristics. Each individual inherits two alleles for each gene, one from each parent. These alleles may be the same (homozygous) or different (heterozygous).


Where are alleles located?

Alleles are located on chromosomes, which are found in the nucleus of a cell. They can exist in pairs on homologous chromosomes, with one allele from each parent. Alleles are the different forms of a gene that can code for different traits or characteristics.


Different alleles of the same gene are found?

at the same place on homologous chromosomes source: Alleles of a gene reside at the same locus on homologous chromosomes.