Exceptions to Mendel's Rules Matching. Match the exception to Mendel's rules with the example that illustrates it. human body shape is controlled by a number of genes children heterozygous for Tay-Sachs disease make about 50"% of v the normal healthy enzyme, homozygous recessive individuals make 0% and homozygous dominant individuals make 100% A. incomplete dominance diabetes, ultraviolet light, and alcoholism cause cataracts (cloudy v eyes) that are coded for by a dominant allele to develop earlier and B. codominance more severely C. epistasis a dominant allele codes for cataracts (cloudy eyes) but another allele affects how bad the cataract will be D. environmental effects on gene expression homozygous cattle are brown or white while heterozygotes have both brown and white hair E. pleiotropy F. polygenic men with the gene for goutare eight times more likely than women to develop a severe case G. sex linkage the human disease Marfan Syndrome results from a gene that affects connective tissue growth and causes unusual tallness, long fingers, and toes, heart malformations, curved spine and high arched roof of the mouth
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
![QUESTION 1
Exceptions to Mendel's Rules Matching. Match the exception to Mendel's rules with the example that illustrates it.
human body shape is controlled by a number of genes
children heterozygous for Tay-Sachs disease make about 50"% of
v the normal healthy enzyme, homozygous recessive individuals
make 0% and homozygous dominant individuals make 100%
A. incomplete dominance
diabetes, ultraviolet light, and alcoholism cause cataracts (cloudy
v eyes) that are coded for by a dominant allele to develop earlier and B. codominance
more severely
C. epistasis
a dominant allele codes for cataracts (cloudy eyes) but another
allele affects how bad the cataract will be
D. environmental effects on gene expression
homozygous cattle are brown or white while heterozygotes have
both brown and white hair
E. pleiotropy
F. polygenic
men with the gene for goutare eight times more likely than women
to develop a severe case
G. sex linkage
the human disease Marfan Syndrome results from a gene that
affects connective tissue growth and causes unusual tallness, long
fingers, and toes, heart malformations, curved spine and high
arched roof of the mouth](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F34cf39ff-1460-4055-8a36-a420a2bd3c90%2Feeec564a-b367-4354-a657-1fe7c1f161e9%2F2tti13s_processed.jpeg&w=3840&q=75)
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