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ECU Bio 1100 Exam 4 Chapters 12, 13, and 14 Review Questions and Correct Answers $8.49   Add to cart

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ECU Bio 1100 Exam 4 Chapters 12, 13, and 14 Review Questions and Correct Answers

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  • Course
  • ECU BIO 1100
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  • ECU BIO 1100

Sex-linked gene gene located on the X or Y chromosome X-linked genes genes that are considered recessive and located only on the X chromosome Y-linked genes genes found on the Y chromosome; Passed from father to son. Barr body dense body formed from a deactivated X chromosome found in the nuclei...

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  • September 23, 2024
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  • ECU BIO 1100
  • ECU BIO 1100
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ECU Bio 1100 Exam 4 Chapters 12, 13,
and 14 Review Questions and Correct
Answers
Sex-linked gene ✅gene located on the X or Y chromosome

X-linked genes ✅genes that are considered recessive and located only on the X
chromosome

Y-linked genes ✅genes found on the Y chromosome; Passed from father to son.

Barr body ✅dense body formed from a deactivated X chromosome found in the nuclei
of female mammalian cells.

Linked genes ✅located on the same chromosome that tend to be inherited together in
genetic crosses.

Genetic recombination ✅regrouping of genes in an offspring that results in a genetic
makeup that is different from that of the parents.

Parental types ✅Offspring with a phenotype that matches one of the parental
phenotypes.

Recombinant types (recombinants) ✅offspring whose phenotype differs from that of
the true-breeding P generation parents; also refers to the phenotype itself.

Genetic map ✅ordered list of the genetic loci along a particular chromosome.

Linkage map ✅genetic map based on the frequencies of recombination between
markers during crossing over of homologous chromosomes.

Map units ✅distances between genes

Cytogenetic maps ✅chart of a chromosome that locates genes with respect to
chromosomal features distinguishable in a microscope.

Nondisjunction ✅failure of one or more pairs of homologous chromosomes or sister
chromatids to separate normally during nuclear division, usually resulting in an
abnormal distribution of chromosomes in the daughter nuclei.

Aneuploidy ✅Abnormal number of chromosomes.

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