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1 point You have a two locus trait with genes A and B, and both parents...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown)...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown) and recessive b (red) alleles. Another monogenic trait (hair texture) is controlled by the C locus with dominant C (curly hair) and recessive c (straight hair). a) What are the possible classes of genotypes with these two loci? b) What are the possible genotypes with these two loci? c) What are the possible genotype(s) of a person with brown hair? d) What are the...
Uption 4. The inheritance of hair and eye color is very complicated. Scientists have found approximately...
Uption 4. The inheritance of hair and eye color is very complicated. Scientists have found approximately 10-20 genes responsible for determining hair and eye color in humans (sheesh - I thought a dihybrid cross with 2 genes was bad...). Although many genes are involved in producing these phenotypes, it does seem that just a few genes play a major role in determining the color of our hair and eyes. The following is a simplified, but still somewhat realistic view of...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have dark eyes too. I have light color eyes (blue), the recessive trait. We are hoping for a blue-eyed baby. What is the probability we will have a baby with blue eyes? What is the probability we will have a baby with dark eyes? 2. In humans, tongue rolling is a dominant trait, those with the recessive condition cannot roll their tongues. Bob can roll...
In some mice, black fur (B) is dominant to white (b). At a different locus, a...
In some mice, black fur (B) is dominant to white (b). At a different locus, a dominant allele (A) produces a band of red just below the tip of each hair. The expression of the recessive allele (a) results in solid coat color. If rabbits that are heterozygous at both loci are crossed: -what proportion of their offspring is expected to have a solid color? -what proportion of their offspring is expected to be white with a red band? -what...
trait. 8 A trait coded for by genes on chromosomes 1 through 22 is a/an 9...
trait. 8 A trait coded for by genes on chromosomes 1 through 22 is a/an 9 A trait coded for by either the X or the Y chromosome is a/an 10 A genetically simple trait is coded for by alleles at only 11 What is the term for a trait coded for by alleles at multiple loci? locus. trait. trait. 12 if the various phenotypes of a trait can be placed into categories, it is a/an 13 If you can...
Which is NOT an example of a quantitative trait governed by several different genes and resulting...
Which is NOT an example of a quantitative trait governed by several different genes and resulting in a continuum of phenotypes? Skin color in humans where homozygotes have either darker or lighter skins than individuals who are heterozygous for any of the group of genes. Milk production in cows where moderate produces will be homozygous for at least two of the genes responsible. Rose color where a cross between two heterozygotes produces 25 % of white offspring. Pod texture and...
0% B)25% C) 50% D) 75% E) 100% Show Punnett square and explanation. If a red...
0% B)25% C) 50% D) 75% E) 100% Show Punnett square and explanation. If a red flowered plant is crossed with a white flowered one and the offspring produces pink flowers. What type of inheritance does this represent? sex linked B. multiple allele C incomplete dominance D. environmental effect E. partial inheritance 2) If a man and a woman of no rmad skin color have an albino child (aa) hat are the genotypes of the parents? A). AA and Aa...
7. What type of trait is found the most often in nature? a. mutant trait b....
7. What type of trait is found the most often in nature? a. mutant trait b. wild-type trait C. dominant trait d. recessive trait 8. A heterozygous person that has one disease allele and one normal allele is referred to as a 9. Tay-Sachs is an autosomal recessive disease. A couple (Jack and Jill) is worried about having a child who has Tay-Sachs, because Jack had a brother with the deadly disease. Since they wanted to have children, they sought...
In domestic cats there are many genes that affect coat colour and pattern. One of these...
In domestic cats there are many genes that affect coat colour and pattern. One of these loci is called spotting. Phenotypes associated with alleles at the spotting locus are incompletely dominant. Homozygous individuals of one type (SS) have white hair on more than 50% of their bodies, heterozygous individuals (Ss) have white hair on less than 50% of their bodies (commonly confined to underparts such as the legs/feet, belly, and chin), and homozygous individuals of the other type (ss) have...
Genetics Problems #4 1) Janet and her siblings have attached earlobes (recessive trait). However, her mother...
Genetics Problems #4 1) Janet and her siblings have attached earlobes (recessive trait). However, her mother has free earlobes (dominant trait). What is the genotype of her mother? - 2) Charlie has a straight little finger (recessive trait), but his parents don't. What is the phenotypic ratio among the parent's children? 3-4) Abraham is adopted. He has hair on the back of his hand (dominant trait). Could both of his biological parents have had hair on the back of their...
Uption 4. The inheritance of hair and eye color is very complicated. Scientists have found approximately 10-20 genes responsible for determining hair and eye color in humans (sheesh - I thought a dihybrid cross with 2 genes was bad...). Although many genes are involved in producing these phenotypes, it does seem that just a few genes play a major role in determining the color of our hair and eyes. The following is a simplified, but still somewhat realistic view of...
trait. 8 A trait coded for by genes on chromosomes 1 through 22 is a/an 9 A trait coded for by either the X or the Y chromosome is a/an 10 A genetically simple trait is coded for by alleles at only 11 What is the term for a trait coded for by alleles at multiple loci? locus. trait. trait. 12 if the various phenotypes of a trait can be placed into categories, it is a/an 13 If you can...
Which is NOT an example of a quantitative trait governed by several different genes and resulting in a continuum of phenotypes? Skin color in humans where homozygotes have either darker or lighter skins than individuals who are heterozygous for any of the group of genes. Milk production in cows where moderate produces will be homozygous for at least two of the genes responsible. Rose color where a cross between two heterozygotes produces 25 % of white offspring. Pod texture and...
0% B)25% C) 50% D) 75% E) 100% Show Punnett square and explanation. If a red flowered plant is crossed with a white flowered one and the offspring produces pink flowers. What type of inheritance does this represent? sex linked B. multiple allele C incomplete dominance D. environmental effect E. partial inheritance 2) If a man and a woman of no rmad skin color have an albino child (aa) hat are the genotypes of the parents? A). AA and Aa...
7. What type of trait is found the most often in nature? a. mutant trait b. wild-type trait C. dominant trait d. recessive trait 8. A heterozygous person that has one disease allele and one normal allele is referred to as a 9. Tay-Sachs is an autosomal recessive disease. A couple (Jack and Jill) is worried about having a child who has Tay-Sachs, because Jack had a brother with the deadly disease. Since they wanted to have children, they sought...
In domestic cats there are many genes that affect coat colour and pattern. One of these loci is called spotting. Phenotypes associated with alleles at the spotting locus are incompletely dominant. Homozygous individuals of one type (SS) have white hair on more than 50% of their bodies, heterozygous individuals (Ss) have white hair on less than 50% of their bodies (commonly confined to underparts such as the legs/feet, belly, and chin), and homozygous individuals of the other type (ss) have...
Genetics Problems #4 1) Janet and her siblings have attached earlobes (recessive trait). However, her mother has free earlobes (dominant trait). What is the genotype of her mother? - 2) Charlie has a straight little finger (recessive trait), but his parents don't. What is the phenotypic ratio among the parent's children? 3-4) Abraham is adopted. He has hair on the back of his hand (dominant trait). Could both of his biological parents have had hair on the back of their...
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