Concept explainers
a.
To determine: The pedigree chart for the whole family.
Introduction. The human consists of 23 pairs of chromosomes, condensed form of chromatids which divide during cell division into daughter cells. The human has 22 autosomes and one pair of sex chromosomes. The sex chromosomes determine the sex in an individual based on the type of sex chromosomes that are present in the fusing gametes.
b.
To determine: The agreement of the pedigree with the hypothesis that Rh+ is dominant allele and Rh- is recessive.
Introduction. The pedigree chart helps to depict the complete history of the pattern of inheritance of genetic disease from one generation to another generation. The inheritable genetic disease is either autosomal dominant or recessive or sex-linked based on which the probability of disease in a future generation can be predicted.
c.
To determine: The mechanism of the transmission of elliptocytosis.
Introduction. The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive
d.
To determine: The presence of the genes of same chromosome that govern E and Rh phenotypes.
Introduction. Recombination is the process that is exclusive to the meiotic division as it allows the exchange of genetic material between the non-homologous chromosomes. The recombination process is responsible for the shuffling of the characters and producing a zygote that is different from both the parents but have the chromosomes from both the parents.

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Chapter 4 Solutions
ACHIEVE:INTRO TO GENETIC ANALYSIS 1TERM
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