Inheritance of a single gene: 4. A "chocolate" cat mates with a cat heterozygous at the gene for TRP-1: a. What is the probability of their kitten having brown coat color? 0.875 [Choose ] 0.375 b. What is the probability of their kitten having black coat color? 0 0.875 0.33 0.5 c. What is the probability of their brown kitten being homozygous for this gene? 0.25 0.75 1.0 d. What is the probability of their black kitten 0.625 being homozygous for this gene? 0.375 < <

Inheritance of a single gene: 4. A "chocolate" cat mates with a cat heterozygous at the gene for TRP-1: a. What is the probability of their kitten having brown coat color? 0.875 [Choose ] 0.375 b. What is the probability of their kitten having black coat color? 0 0.875 0.33 0.5 c. What is the probability of their brown kitten being homozygous for this gene? 0.25 0.75 1.0 d. What is the probability of their black kitten 0.625 being homozygous for this gene? 0.375 < <

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Description: Inheritance of a single gene:4. A "chocolate" cat mates with a cat heterozygous at the gene for TRP-1:a. What is the probability of their kittenhaving brown coat color?0.875[Choose ]0.375b. What is the probability of their kittenhaving black coat co

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 13RQ: The ABO blood groups in humans are expressed as the IAlB, and IAalleles. The allele encodes the A...

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Inheritance of a single gene: 6. Two black cats having small white patches mate: [NOTE: This is different from the question in the manual.] a. What are the possible phenotypes of their kittens? b. For each of these phenotypes, what is their probability? No white patches. [Choose ] [Choose ] 0.5 Small white patches. 0.75 0 0.25 Large white patches. [Choose ] All white. [Choose ] >
Inheritance of multiple genes: 8. A pure-bred grey cat mates with a pure-bred chocolate cat: a. What are the possible phenotypes of their kittens? b. For each of these phenotypes, what is their probability? black [Choose ] [Choose ] 0.75 gray 0.5 0 1.0 0.25 chocolate [Choose ] lilac [Choose ] cinnamon [Choose ] fawn [Choose ] orange [Choose ] cream [Choose ]
Inheritance of a single gene: 7. A tortoiseshell cat mates with an orange cat: What is the probability of their kitten having all-orange fur? [Choose ] [Choose ] 0.25 What is the probability of their kitten having tortoiseshell coloration? 0.5 0.875 1.0 0.625 What is the probability of their kitten having all-black fur? 0.375 0.33 0.75 What is the probability that their black kitten will be male? [Choose ] What is the probability that their tortoiseshell kitten will be male? [Choose ]
Inheritance of a single gene: 5. A pure-bred uniform-color (un-striped) cat mates with a mackerel-striped cat: a. What is the probability of their kitten having uniform coloration? 1.0 b. What is the probability of their kitten having mackerel-striped coloration? [Choose ] [Choose ] 0 0.75 c. If two of these kittens grow up and mate, what is the probability of their second- generation (F2) kitten having uniform coloration? 0.875 0.375 0.25 0.625 1.0 d. What is the probability of their second- generation (F2) kitten being striped? 0.33 0.5 [Choose ] e. What is the probability of their F2 uniform-color kitten being homozygous for this gene? [Choose ] f. What is the probability of their F2 mackerel-striped kitten being homozygous for this gene? >
From DNA to Protein and Inheritance Co-Dominance: In co-dominance, the heterozygous individual exhibits the phenotype for both alleles. We used the ABO blood groups as an example of co-dominance. 8. What potential blood types can be present in the offspring if two type "O" mate with one another? (alams 1) Ilgq xal Ligg 9. What are the potential blood types present in the offspring if two parents with type A blood mate with each other? parents 10. What are the potential blood types for offspring that are produced by a parent that is A+ and one that is AB-? Sgningatlo odi nol om sig gonda borooqxs Post-Lab Questions 1. In the human species, polydactyly (the
dd-ons Help в I U A Calibri 12 三三1 |:三 6. Consider a guinea pig with a homozygous genotype and a white fur color phenotype. a. What is the probability this parent will produce a gamete with the dominant allele? b. What is the probability this parent will produce a gamete with the recessive allele? C. If 31 sperm cells are collected from this guinea pig, how many would you expect to have the recessive allele (as determined by sequencing the gene)? !!!
6 Huntington's disease causes damage to the nervous system. It is an inherited condition caused by a dominant allele (H). Only individuals who are homozygous for the recessive allele (h) are protected from the disease. The diagram shows the inheritance of Huntington's disease in a family. A F G H K M N Male Female Male with Female with Huntington's disease Huntington's disease (a) Complete the table to show how many people in the diagram fit each description. The first one has been done for you. Number of people who fit the description Description male 7 female with Huntington's disease homozygous recessive heterozygous homozygous dominant
5 f There are two genes that determine the coat colour expression in dogs: eumelanin and merle. These genes are located on two separate chromosomes. For the eumelanin gene, black coat colour (E) is dominant over red coat colour (e). The merle gene controls the degree to which these coat colours are expressed through incomplete dominance. The following table describes the merle gene expression. Genotype MM Mm mm Phenotype White AAY Half colour (Grey or light red) Full colour (Black or Red) 1. If a dog breeder wants to determine the unknown genotype of a dog, what colour of dog must she use as a testcross? 2. A white dog was testcrossed, and all of the puppies had light red coats. What is the genotype of the white dog? Use a Punnett square to show your work. Hint - When a trait is controlled by two genes, an individual's genotype consists of 4 letters. = = = B I 123 ||| 14 E E I ос C GO * ●● ● ●0 00 00 00 ✓ C U up X₂ x²
13. In humans, red-green color blindness is recessive to normal sight. The gene for this trait is carried on the X chromosome (remember, Y is genetically inert). In each of the d following, give all types of offspring and their expected ratios: 2917039 (a) a colorblind man married to a heterozygous normal-sighted woman; pel (b) a color-blind man married to a homozygous normal-sighted woman; (c) a normal man married to a woman heterozygous for color blindness; wwpobos (d) a normal man married to a color-blind woman. b pla (O Who gedal 2010 QxWWSLO (5) tonaviy uwepod. Deba 44 ka, bal be
Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene produces long wings; a recessive allele produces vestigial (short) wings. A female that is true- breeding for red eyes and long wings is mated with a male that has purple eyes and vestigial wings. F1 females are then crossed with purple-eyed, vestigial-winged males. From this second cross, a total of 600 offspring are obtained with the following combinations of traits: 252 with red eyes and long wings 276 with purple eyes and vestigial wings 42 with red eyes and vestigial wings 30 with purple eyes and long wings Are the genes linked, unlinked, or sex-linked? If they are linked, how many map units separate them on the chromosome?
In sweet pea plants, an allele for purple flowers. (P) is dominanl when paired with a recessive allele for red flowers (p). An allele for Jang pollen grains (L) is dominant when paired with a recessive allele for round pollen grains (L). Bateson and Punnett crossed a plant having purple flowers and long pollen grains with one having white flowers and round pollen grains. All F1 offspring have purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes: 296 purple flowers/long pollen grains 19 purple /lower/ round pollen grains 27 red flowers/long pollen grains 85 red flowers/round pollen grains What is the best explanation for these results?
The gene for flower position in pea plants exists as axial or terminal alleles. Given that axial is dominant to terminal, list all of the possible F1 and F2 genotypes and phenotypes from a cross involving parents that are homozygous for each trait. Express genotypes with conventional genetic abbreviations.