BIO 101 TEST QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+
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Course
BIO 101
Institution
BIO 101
BIO 101 TEST QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+
autosomes - Answer-all but one pair of chromosomes in males and females are the same. Nonsex chromosomes, they do not determine sex.
sex chromosomes - Answer-determines sex of the individual, human female sex chromosome are XX, human mal...
BIO 101 TEST QUESTIONS WITH
COMPLETE SOLUTIONS GRADED A+
autosomes - Answer-all but one pair of chromosomes in males and females are the
same. Nonsex chromosomes, they do not determine sex.
sex chromosomes - Answer-determines sex of the individual, human female sex
chromosome are XX, human male sex chromosomes are XY. Male sex chromosomes
produce two different types of Gametes.
x-link genes - Answer-are genes carried on the X chromosome. Y chromosome does
not carry these gene
linkages group - Answer-is a group of genes located on one chromosome that tend to
stay together and separate only when crossing over occurs.
What is mutation - Answer--permanent changes in genes or chromosomes that can be
passed to offsprings if they occur in cells that become gametes.
-increases genetic variation among offsprings
-chromosomal mutations
-changes in chromosome number
when does monosomy mutations occur? What causes monosomy mutation - Answer-
Monosomy mutation: occurs when an individual has only one of a particular type of
chromosome. (2n-1), caused by non-disjunction during meiosis,
what causes nondisjunction? - Answer-nondisjunction occurs when homologous pair of
chromosomes fail to separate during meiosis II. Nondisjunction occurs when sister
chromatids fail to separate during meiosis II
inversion - Answer-segement of chromosome turns 180 degree
Translocation - Answer-movement of the chromosome to another, nonhomologous
chromosome.
Deletion - Answer-occurs when an end of a chromosome breaks off
Duplication - Answer-is the doubling of chromosome segement
LAW OF UNIT CHARACTER - Answer-States that factors which always occur in pairs,
control the inheritance of various traits.
Modern View: Alleles- Alternate form of genes that are always at exactly the same
position on Homologous Chromosomes.
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