BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
12th Edition
ISBN: 9781264019090
Author: Raven
Publisher: MCG/CREATE
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Chapter 12, Problem 2DA
Summary Introduction

To determine: The possibility of unaffected offspring in one affected female in the third-generation married to the unaffected male.

Introduction: A pedigree is a chart that shows the biological relationships among the offsprings and the ancestors. The term is derived from the French word “pied de grue.” It can be useful for various animals like humans, dogs, and horses and is very helpful to look at the transmission of genetic disorders.

Summary Introduction

To determine: The chances of having unaffected offspring if possible.

Introduction: The Autosomal dominant trait is a non-sex chromosome appearing in both males and females in the same frequency. Both sexes are capable of transmitting these traits to their offspring.

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Progeny produced by parents to some extent look like their parents along with several differences. Huge diversity exists in any germplasm of living organism. What would you suggest the story behind this phenomenon. Moreover also give your opinion regarding different traits with no expression in their parents but managed to appear in progeny and in few cases get silent again in grand progeny.
SCIENTIFIC INQUIRY The diagram in question 6 representsjust a few of the chromosomes of a meiotic cell in a certainperson. Assume the freckles gene is located at the locus markedF, and the hair-color gene is located at the locus marked H,both on the long chromosome. The individual from whomthis cell was taken has inherited different alleles for each gene(“freckles” and “black hair” from one parent, and “no freckles”and “blond hair” from the other). Predict allele combinationsin the gametes resulting from this meiotic event. (It will helpif you draw out the rest of meiosis and label the alleles byname.) List other possible combinations of these alleles in thisindividual’s gametes.
Genetics question   What are the haploid genotypes of the gametes and frequencies/proportions of those gametes that can be formed in individuals of each of the following diploid genotypes?  (DON’T do a cross.  Just predict the different haploid gamete genotypes that could be produced by each diploid genotype below.) Proportions can be expressed in ratio form or fractional form. Dd Ee ff GG Mm Nn Rr ZZ

Chapter 12 Solutions

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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY