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Down: 1) an individual with the normal phenotype2) an additive effect of two or more gene loci on a single phenotypic character3) phenotypic situation in which the 2 alleles affect the phenotype in separate, distinguishable ways.6) genetic disorder that occurs in people with 2 copies of a certain recessive allele7) human genetic disease caused by a sex linked recessive allele10) an aberration in chromosome structure resulting from an error in meiosis or from mutagens11) human genetic disease caused by a sex linked recessive allele, characterized by excessive bleeding following injury14) human genetic disease caused by a dominant allele; characterized by uncontrollable body movements and degeneration of nervous system; usually fatal 10-20 years after the onset of symptoms.16) charts of chromosomes that locate genes with respect to chromosomal features17) human genetic disease of red blood cells caused by the substitution of a single amino acid in the hemoglobin protein.20) family tree describing the occurrence of heritable characters in parents and offspring across as many generations as possible21) a phenomenon in which one gene alters the expression of another gene that is independently inherited.24) an aberration in chromosome structure resulting from an error in meiosis or mutagens26) dense object lying along the inside of the nuclear envelope in female mammalian cells, representing an inactive X chromosome30) deficiency in a chromosome resulting from loss of fragment through breakage.34) a pattern of development in which an organism consists of two sets of cells that differ according to which X chromosomes is inactive Across: 3) Hh4) hereditary mental disorder, partially explained by genomic imprinting and the addition of nucleotides to a triplet repeat near the end of and X chromosome5) an offspring whose phenotype differs from that of the parents7) human genetic disease resulting from having an extra chromosome 21, characterized by mental retardation and heart and respiratory defects8) general term for the production of offspring with new combinations of traits inherited from the 2 parents9) ordered list of genetic loci along a chromosome12) alternate versions of genes13) genes that are located on the same chromosome15) technique for diagnosing genetic and congenital defects in fetus by removing and analyzing small sample of fetal portion of placenta.18) parental effect on gene expression whereby identical alleles have different effects on offspring, depending whether arrive in zygote via ovum or via sperm19) ability of a single gene to have multiple effects.22) the mating, or crossing, of two varieties23) Plants that produce offspring of the same variety when they self pollinate25) a chromosomal condition in which a particular cell has only one copy of a chromosome, instead of the normal two27) type of inheritance in which F1 hybrids have an appearance that is intermediate between the phenotypes of parental varieties28) chromosomal condition in which a particular cell has an extra copy of one chromosome, instead of the normal two29) an accident of meiosis or mitosis, in which the members of a pair of homologous chromosomes or sister chromatids fail to move apart properly31) human genetic disease caused by a dysfunctional enzyme that fails to break down brain lipids of a certain class32) a gene located on a sex chromosome33) technique for determining genetic abnormalities in fetus by presence of certain chemical or defective fetal cells in amniotic fluid.35) an aberration in chromosome structure resulting from an error in meiosis or from mutagens36) chromosomal aberration in which certain chromosomes are present in extra copies or are deficient in number37) chromosomal alteration in which the organism possesses more than two complete chromosome sets
 

 

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