Polygenic inheritance refers to:
A) sex-linked inheritance.
B) the crossing over of chromosomes.
C) dominant-recessive patterns of inheritance.
D) the combined action of multiple genes.
Correct Answer:
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Q27: Different forms of a gene are referred
Q28: types of genes are expressed when an
Q29: If an individual is heterozygous for a
Q30: Which of the following statements about gene
Q31: Approximately of human genes are alleles.
A)one-tenth
B)one-third
C)one-half
D)three-fifths
Q33: X-linked disorders are:
A)more likely to affect males.
Q34: Many psychiatric and behavioral disorders are believed
Q35: Phenylketonuria originates from:
A)chromosomal anomaly.
B)sex-linked inheritance.
C)dominant-recessive pattern.
D)polygenic
Q36: Disease W is a recessive gene disease.
Q37: A recessive gene governs Trait M. If
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