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∙ 11y ago
Freckles are not determined by a single recessive gene. They are the result of a combination of genetics, particularly the presence of certain variations in the MC1R gene, and exposure to sunlight. The inheritance of freckles can vary depending on the specific genetic traits passed down from parents.
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What is the scientific name for freckle?
The scientific name for freckles is ephelides. They are small, flat, tan or light brown spots that appear on the skin as a result of sun exposure.
How much DNA do humans share with cats?
Humans and cats share about 90% of their DNA. The genetic similarities are evident in various aspects, such as the structure and function of certain genes controlling traits like metabolism and immune response.
How do genes control variation within a species?
Genes control variation within a species through the expression of different traits. Variations in genes lead to differences in physical characteristics and behaviors among individuals. This genetic diversity within a population is important for adaptation to changing environments and for the evolution of species.
What is it called when the genotype becomes expressed as phenotype?
This is called gene expression, where genes are transcribed and translated into proteins, leading to the manifestation of specific traits in an organism.
Which groups is the smallest level of classification?
The smallest level of classification is a species. It is the basic unit of classification and represents a group of organisms that are capable of interbreeding and producing fertile offspring.
Are freckles dominant recessive or dominant dominant?
dominant genes for freckles
Are Freckles are a physical trait that is transmitted by a recessive gene?
Freckles are a physical trait that is transmitted by a recessive gene?
A man with freckles and a women without freckles with 3 kids with freckles and 1 without what is the genotypes of the parents and children?
The man must have a dominant gene for freckling and a recessive gene for no freckling. The woman has both recessive genes for no freckling. Therefore, there should be a 50% chance of getting the freckling gene and freckle in this family. If they had more children, chances are 50/50 that the baby will freckle.
Do dominant genes affect recessive genes?
The dominant genes take over, and then the recessive genes hide away
Which genes are dominant and which are recessive?
Dominant genes are always expressed in preference to recessive genes in cased where both genes are present.
Which term describes the example below- A child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozygous recessive?
We'llsay F is dominant for freckles and f is recessive for non-freckled. The father is ff The mother is Ff The child is ff. Probability of this cross producing a homozygous recessive child is 50%. There isn't a precise term for this cross.
Could A man and women with no freckles have a child with freckles?
Yes it depends on their genes
What genes does a homozygous short pea plant always have?
Recessive genes
Do autosomes have lethal recessive genes?
Yes. Autosomes CAN have lethal recessive genes, but that does not mean they always contain recessive mutations.
If an animal with 2 dominant genes for a trait has offspring with an animal with 2 recessive genes for same trait their offspring can only have what?
Their offspring will have dominant genes. However, if these offspring have offspring with an amimal with recessive genes, the recessive genes will show up.
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.
Can two parents who do not have freckles have a child with freckles?
Yes, if they both carry a recessive (hidden gene) for freckles, then yes their child would have a 25% chance of having freckles.
