Is your hair curly, straight, or wavy? In humans, straight hair (Hs) and curly hair (Hc)...
Is your hair curly, straight, or wavy? In humans, straight hair (Hs) and curly hair (Hc) are inherited as incompletely-dominant traits. This means that heterozygotes (HsHc) will have wavy hair. If two people with wavy hair have children, what proportion of their offspring would be expected to have wavy hair?
- 100%
- 75%
- 50%
- 25%
- 0%
Straight genotype ____
Wavy genotype _____
Curly genotype ______
Homework Answers
- Cross between two wavy hair people or HsHc*HsHc will result
into following combinations
Gametes Hs Hc Hs HsHs (straight) HsHc (wavy) Hc HsHc (wavy) HcHc (curly) -
As it is clear from punnet square that 2 out of 4 children will with wavy hairs hence correct answer is c(50%)
-
Straight genotype - HsHs
-
Wavy genotype - HsHc
-
Curly genotype - HcHc
Add Answer to:
Is your hair curly, straight, or wavy? In humans, straight hair
(Hs) and curly hair (Hc)...
Hair texture in humans is incompletely dominant. Curly hair (C) plus straight hair (c) gives you...
Hair texture in humans is incompletely dominant. Curly hair (C) plus straight hair (c) gives you wavy hair. Also, having 2 eyebrows is dominant over one eyebrow. If two individuals are heterozygous for both traits, what is the probability of each phenotype in their future offspring?
6. The allele for curly hair is codominant to the allele for straight hair, the heterozygote...
6. The allele for curly hair is codominant to the allele for straight hair, the heterozygote has wavy hair. if two people with wavy hair marry, what hair types would you expect among their offspring 7. Two children in a family have blood type. The mother has type B, and the father has type A a. What are the genotypes of all of the individuals? b. What is the probability that their next child will have blood type O? 8....
BIO 142 Test X 9) Curly hair (CC) is incompletely dominant over straight hair (ce), therefore the heterozygous genotype (Ce) produces wavy hair (Ce), Set up the Punnet square and cross a mother with...
BIO 142 Test X 9) Curly hair (CC) is incompletely dominant over straight hair (ce), therefore the heterozygous genotype (Ce) produces wavy hair (Ce), Set up the Punnet square and cross a mother with wavy hair with a man with wavy hair. (5 points) What is the percentage of different phenotypes of their children? Show your works. Female Genotype: Genotype ratio Phenotype ratio: Male Genotype: 10) Cross a father with blood type AO and a mother with BO blood type....
3. Curly hair is dominant over straight hair c. If two Heterozygous, curly haired people had...
3. Curly hair is dominant over straight hair c. If two Heterozygous, curly haired people had children, what will be: c) Phenotype ratio: Punnet square: d) Genotype ratio:
Question 9 (1 point) Achrondroplasia is a form of dwarfism caused by a dominant allele. The...
Question 9 (1 point) Achrondroplasia is a form of dwarfism caused by a dominant allele. The homozygous dominant genotype causes death, so individuals who have the condition are all heterozygous. If a person with achondroplasia mates with a person who does not have achondroplasia, what percentage of their children would be expected to have achondroplasia Question 9 options: A) 0% B) 50% C) 75% D) 100% Question 10 (2 points) This is an example of incomplete dominance. Let H-curly hair and...
In humans, the allele for black hair (B) is dominant to the allele to brown hair...
In humans, the allele for black hair (B) is dominant to the allele to brown hair (b), and the allele for curly hair (C) is dominant to the allele for straight hair (c). When a person of unknown genotype is crossed against a straight- and brown-haired individual, the phenotypic 2. ratio is 25% curly black hair 25% straight black hair 25% curly brown hair 25% straight brown hai What is the genotype of the unknown parent? (A) BBCO (B) BbCC...
Character Traits Allele Hair texture Dominant-curly Recessive-straight H h Eye color Dominant-brown Recessive-blue E e Nose...
Character Traits Allele Hair texture Dominant-curly Recessive-straight H h Eye color Dominant-brown Recessive-blue E e Nose width Dominant-wide Recessive-narrow N n SueBob’s genotype is: HHEeNn HenryJane’s genotype is: HheeNn What are the expected phenotypic ratios of their offspring? You can write your responses are a fraction or decimal Brown eyes and wide nose: Brown eyes and narrow nose: Blue eyes and wide nose: Blue eyes and narrow nose:
In humans, brown (B) eye color is dominant to blue (b) eye color and brown (H)...
In humans, brown (B) eye color is dominant to blue (b) eye color and brown (H) hair color is dominant to red (h) hair color. [Assume single-gene traits] Of only the offspring that have brown eyes and brown hair (B_H_, where dash indicates that the individual could be either homozygous or heterozygous for the dominant allele), what proportion are expected to have a genotype that is heterozygous for one of the traits but homozygous for the other trait? A) 1/4...
Genetics and Heredity Practice Problems A. Mendelian Genetics 1. In humans, achondroplasia or "dwarfism (D) is...
Genetics and Heredity Practice Problems A. Mendelian Genetics 1. In humans, achondroplasia or "dwarfism (D) is dominant over normal (d). A homorygous dominant (DD) person dies before the age of one. A heterozygous (d) person is dwarfed. A homozygous recessive individual is normal. If a heterozygous dwarf man marries a dwarf heterozyrous woman a. What is the probability of having a normal child? b. What is the probability of having a child that is a dwarf? What is the probability...
Character Traits Allele Hair texture Dominant-curly Recessive-straight H h Eye color Dominant-brown Recessive-blue E e Nose...
Character Traits Allele Hair texture Dominant-curly Recessive-straight H h Eye color Dominant-brown Recessive-blue E e Nose width Dominant-wide Recessive-narrow N n Using the table above, rewrite SueBob’s genotype. Describe Baby SueBob’s phenotype. When SueBob grows up, she starts a family with HenryJane. His genotype is HheeNn. Describe HenryJane’s phenotype. Complete a Punnett square to predict the probabilities of hair texture among their children. HenryJane’s Sperm SueBob’s eggs Complete the dihybrid cross to predict the probability of eye color AND...
6. The allele for curly hair is codominant to the allele for straight hair, the heterozygote has wavy hair. if two people with wavy hair marry, what hair types would you expect among their offspring 7. Two children in a family have blood type. The mother has type B, and the father has type A a. What are the genotypes of all of the individuals? b. What is the probability that their next child will have blood type O? 8....
BIO 142 Test X 9) Curly hair (CC) is incompletely dominant over straight hair (ce), therefore the heterozygous genotype (Ce) produces wavy hair (Ce), Set up the Punnet square and cross a mother with wavy hair with a man with wavy hair. (5 points) What is the percentage of different phenotypes of their children? Show your works. Female Genotype: Genotype ratio Phenotype ratio: Male Genotype: 10) Cross a father with blood type AO and a mother with BO blood type....
3. Curly hair is dominant over straight hair c. If two Heterozygous, curly haired people had children, what will be: c) Phenotype ratio: Punnet square: d) Genotype ratio:
In humans, the allele for black hair (B) is dominant to the allele to brown hair (b), and the allele for curly hair (C) is dominant to the allele for straight hair (c). When a person of unknown genotype is crossed against a straight- and brown-haired individual, the phenotypic 2. ratio is 25% curly black hair 25% straight black hair 25% curly brown hair 25% straight brown hai What is the genotype of the unknown parent? (A) BBCO (B) BbCC...
Genetics and Heredity Practice Problems A. Mendelian Genetics 1. In humans, achondroplasia or "dwarfism (D) is dominant over normal (d). A homorygous dominant (DD) person dies before the age of one. A heterozygous (d) person is dwarfed. A homozygous recessive individual is normal. If a heterozygous dwarf man marries a dwarf heterozyrous woman a. What is the probability of having a normal child? b. What is the probability of having a child that is a dwarf? What is the probability...
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