Homework Answers
No antennae - Recessive - aa
Antennae - Dominant - AA or Aa
Bulging eyes - Dominant - BB or Bb
Normal eyes - Recesive - bb
Homozygous bulging eyes with antennae x Normal eyes and no antennae
BBAA x bbaa
F1: BbAa : bulging eyes with antennae
Chance of baby Martian having bulging eyes and antennae is 100 %
Mating of two heterozygous bulging eyes with antennae
BbAa x AbAa
| BA | Ba | bA | ba | |
| BA | BBAA | BBAa | BbAA | BbAa |
| Ba | BBAa | BBaa | BbAa | Bbaa |
| bA | BbAA | BbAa | bbAA | bbAa |
| ba | BbAa | Bbaa | bbAa | bbaa |
Chance of having bulging eyes and antennae = 9/16 = 56.25 %
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Font Paragraph 6. In Martians, one gene is responsible for antennae. Martians who are homozygous recessive...
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Assortment of genes on same chromosome In the fruit fly Drosophila, there is a dominant gene...
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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...
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Problem 2. In humans, Rh-factor gene and gene responsible for erythrocyte shape are located in the same pair of chromosomes. The distance between them is 3 cM. Rh-positivity and elliptocytosis are dominant traits. Rh-negativity and normal (round) shape of erythrocytes are recessive traits. Prob knee link 10c A man is heterozygous for both characters. He inherited Rh- positivity from his father and elliptocytosis from his mother. His wife is Rh-negative and has normal erythrocytes. Find the ratio of possible genotypes...
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As it is UNIT GENETICS PROBLEMS #2: TEST CROSSES 1. In peas, green pods are dominant...
As it is
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1) The alternate forms of a gene for the same trait are known as -A)alleles. B)phenotypes....
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Solve the following Genetic Problems Each problem is worth 1 extra point Problem A Mom is homozygous recessive and dad is homozygous dominant Question: What is chance of them having a bhe-eyed baby! Problemet Both parents are heterozygous. What are their eye colors? What is percent chance of them having a buyed baby? Problem Mom is homarygous healthy and dad is hemophilic What is a chance of having a hemophilic baby? Problem D: Mom is hemophilic and dad is normal...
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What is the genotype of a brown-eyed woman who has a blue-eyed child? A)bb -B)Bb С)ВВ D)BBB E) BbBb 8) The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant allele at a single gene locus, Which of the following genotypes would produce an individual that can roll their tongue? A)TT only B)Tt only C) only D)TT...
Assortment of genes on same chromosome In the fruit fly Drosophila, there is a dominant gene for normal wings and its recessive allele for vestigial wings. At another gene locus. there is a dominant gene for red eyes and its recessive allele for purple eyes. A female that was heterozygous at both gene loci was mated with a male that is homozygous for both recessive alleles. Knowing this, complete the sentences with the correct terms. 94% crossing over independent assortment...
Which of the following is an example of epistasis? Select one: a. Homozygous recessive Drosophila females for gene w have white eyes. When crossed to red eye males, all the females have red eyes and all the males have white eyes. b. A man with blood type A marries a woman who is type B. Their firstborn's blood type is 0 C. Smurfberry bushes that are Homozygous dominant for gene S produce tall plants. Homozygous recessive plants show a dwarf...
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As it is
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1) The alternate forms of a gene for the same trait are known as -A)alleles. B)phenotypes. C)genotypes. D)codominants. E)incomplete dominants. 2) Mendel carried out most of his research with A)livestock -B)pea plants. C)guinea pigs. D)fruit flies. E)bacteria. 3) Which of the following is true according to Mendel's law of segregation? A)Each individual contains two alleles for each trait. B)Fertilization restores the presence of two alleles. C)Alleles separate from each other during gamete formation. D)Each gamete contains one copy of each...
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