Life Science Review 5.3 Question Preview (ID: 11448)
Meiosis.
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Homologous chromosomes
a) are pairs of chromosomes
b) are chromosomes that have the same sequence of genes
c) are chromosomes that have the same structure
d) all the choices
Which is incorrectly matched?
a) asexual reproduction; mitosis
b) sexual reproduction; meiosis
c) mitosis; offspring are exact copies
d) meiosis; offspring are exact copies
Genes are located on
a) chromosomes
b) traits
c) alleles
d) none of the choices
Which is not a step in mitosis?
a) Chromosomes are copied and thicken
b) Nuclear membrane dissolves
c) Chromatids are pulled apart
d) none of the choices
Meiosis involves
a) 2 divisions
b) 1 division
c) homologous chromosomes
d) 2 of the choices
Sex chromosomes are
a) chromosomes that determine sex
b) chromosomes that are in only sex cells
c) chromosomes that are in only body cells
d) 2 of the choices
Hemophelia is an example of a
a) sex-linked disorder
b) dominant trait
c) recessive trait
d) none of the choices
A pedigree
a) shows the occurrence of a genetic trait in several generations of a family
b) shows the occurrence of a genetic trait in 1 generation of a family
c) shows the genotypes in several generations of a family
d) shows the genotypes in 1 generation of a family
When organisms with desirable traits are mated it is called
a) selective breeding
b) genetic counseling
c) genetic breeding
d) selective counseling
What is true regarding body cells and sex cells?
a) body cells undergo mitosis while sex cells undergo meiosis
b) body cells undergo meiosis while sex cells undergo mitosis
c) both body cells and sex cells undergo mitosis
d) both body cells and sex cells undergo meiosis
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