Each enzyme is coded by a separate gene. Let’s assume enzyme 1 is gene W and enzyme 4...
Each enzyme is coded by a separate gene. Let’s assume enzyme 1 is gene W and enzyme 4 is gene Y. You cross plants that are WWyy with ones that are wwYY. What are the phenotypes of the two parents and what will be the genotype and phenotype of the offspring?
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Each enzyme is coded by a separate gene. Let’s assume
enzyme 1 is gene W and enzyme 4...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on different chromosomes (in other words, they were not linked. They assort independently). Green pods (G) are dominant over yellow pods (g) and tall stems (T) are dominant over dwarf stems (t). You are given two true breeding plants (homozygous at both genes). In the parental (P) generation, one parent has green pods and dwarf stems and the second parent has yellow pods and tall...
Chapter Review 1. The gene for redness is dominant to the gene for whiteness. If a...
Chapter Review 1. The gene for redness is dominant to the gene for whiteness. If a true-breeding plant with red flowers is crossed with a true breeding plant with white flowers, their offspring will be A. red and true-breeding C white and true-breeding B. red hybrids D. pink 2. Thllness is dominant to dwarfism in pea plants. Which one of the following alternatives describes the offspring produced by two heterozygous pea plants? A 75% tall and 25% dwarf plants C....
In a particular plant, leaf color is controlled by gene D, where dark leaves are dominant...
In a particular plant, leaf color is controlled by gene D, where dark leaves are dominant to light leaves. If two heterozygous plants are crossed... What is the genotype of the parents? What is the phenotype of the parents? What portion of the offspring will have light leaves? What portion of the offspring will have the genotype Dd?
Fill in the blanks 1. There is a gene for height in a species of pea...
Fill in the blanks
1.
There is a gene for height in a species of pea plant that we will
call "T gene". We would denote the dominant allele for this gene as
_____ and the recessive allele as _____. A homozygous dominant
individual's genotype would be _____, a homozygous recessive
individual's genotype would be _____, and a heterozygous
individual's genotype would be _____.
2. If this gene for height in pea plants shows complete
dominance (where the dominant allele...
are to determine the probability of inheriting a widow's In this activity you will ea Penne...
are to determine the probability of inheriting a widow's In this activity you will ea Penne peak or a straight hairline Procedure Read the instructions for using a Punnet square (Figure 11.1). 1. Discuss the instructions with your lab partners, 2. Fill in the blank spaces and solve problem #1. Using a Punnett Square Gametes • Place possible gametes along two opposite sides of the square Record genotypes of potential offspring in appropriate cells of the square Gametes P PP...
5. Choose another trait and genotype, and make another Punnett square. ratio of genotypes: ratio of...
5. Choose another trait and genotype, and make another Punnett square. ratio of genotypes: ratio of phenotypes: ояти Activity #3 on Albinism: DOOMED CORN. DOOMED CORN. Albinism occurs in many species of animals, and in plants. For the animals, the condition may be an inconvenience, but for the plants it can be a death sentence. Consider that the green pigment, chlorophyll, is necessary for plants to produce food by photosynthesis. Without chlorophyll, the plants soon starve to death, so a...
In a certain plant species, inheritance of fruit size is controlled by four genes, each of...
In a certain plant species, inheritance of fruit size is controlled by four genes, each of which has two alleles that show incomplete dominance and each of which contributes equally to an individual’s phenotype. Plants with the largest fruits have the genotype AABBCCDD, while those with the smallest fruits have the genotype aabbccdd. a) How many possible genotypes for fruit size are there in this species? b) Based on genotype alone (ignoring environmental factors), how many possible phenotypes for fruit...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
1. Draw a Punnett square to indicate possible gamete types produced by each parent and the...
1. Draw a Punnett square to indicate possible gamete types produced by each parent and the expected genotypes of their offspring for the cross: AaBb X aaBb. See figure 11.8. . 2. Continuing on with the example in question 1, predict the phenotype corresponding to each offspring genotype if: Gene A is governed by complete dominance and gene B by incomplete dominance. Possible phenotypes for gene A are tall (dominant phenotype) and short (recessive phenotype), and for gene, B is...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline (w). A male homozygote with widow's peak marries a female homozygote with straight hairline, what are the possible genotypic and phenotypic ratios of the F1 and F2 generations that may result from the union? Phenotype of Parents ………………………… x ………………………… Genotype of Parents ………………………… x ………………………… Genes in gametes ………………………… x ………………………… Genotype of F1 Generation ………………………… Phenotype of F1 Generation ………………………… Genes in F1 gametes ………………………… or ………………………… (Punnett Square)...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on different chromosomes (in other words, they were not linked. They assort independently). Green pods (G) are dominant over yellow pods (g) and tall stems (T) are dominant over dwarf stems (t). You are given two true breeding plants (homozygous at both genes). In the parental (P) generation, one parent has green pods and dwarf stems and the second parent has yellow pods and tall...
Chapter Review 1. The gene for redness is dominant to the gene for whiteness. If a true-breeding plant with red flowers is crossed with a true breeding plant with white flowers, their offspring will be A. red and true-breeding C white and true-breeding B. red hybrids D. pink 2. Thllness is dominant to dwarfism in pea plants. Which one of the following alternatives describes the offspring produced by two heterozygous pea plants? A 75% tall and 25% dwarf plants C....
In a particular plant, leaf color is controlled by gene D, where dark leaves are dominant to light leaves. If two heterozygous plants are crossed... What is the genotype of the parents? What is the phenotype of the parents? What portion of the offspring will have light leaves? What portion of the offspring will have the genotype Dd?
Fill in the blanks
1.
There is a gene for height in a species of pea plant that we will
call "T gene". We would denote the dominant allele for this gene as
_____ and the recessive allele as _____. A homozygous dominant
individual's genotype would be _____, a homozygous recessive
individual's genotype would be _____, and a heterozygous
individual's genotype would be _____.
2. If this gene for height in pea plants shows complete
dominance (where the dominant allele...
are to determine the probability of inheriting a widow's In this activity you will ea Penne peak or a straight hairline Procedure Read the instructions for using a Punnet square (Figure 11.1). 1. Discuss the instructions with your lab partners, 2. Fill in the blank spaces and solve problem #1. Using a Punnett Square Gametes • Place possible gametes along two opposite sides of the square Record genotypes of potential offspring in appropriate cells of the square Gametes P PP...
5. Choose another trait and genotype, and make another Punnett square. ratio of genotypes: ratio of phenotypes: ояти Activity #3 on Albinism: DOOMED CORN. DOOMED CORN. Albinism occurs in many species of animals, and in plants. For the animals, the condition may be an inconvenience, but for the plants it can be a death sentence. Consider that the green pigment, chlorophyll, is necessary for plants to produce food by photosynthesis. Without chlorophyll, the plants soon starve to death, so a...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
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