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Chapter 13: Meiosis and Sexual Life Cycles | BIOL - Biology 1 - Introduction, Quizzes of Biology

Class: BIOL - Biology 1 - Introduction; Subject: Biology / Biological Sciences; University: Washington & Jefferson College; Term: Forever 1989;

Typology: Quizzes

2009/2010

Uploaded on 11/01/2010

joseph-eck
joseph-eck 🇺🇸

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TERM 1
Heredity
DEFINITION 1
Heredity is the passing of traits to offspring (from its parent
or ancestors).
TERM 2
Genetics
DEFINITION 2
the scientific study of heredity and hereditary variation
TERM 3
Genes
DEFINITION 3
A gene is a unit of heredity in a living organism.
TERM 4
Gametes
DEFINITION 4
Reproductive cell that transmit genes from one generation to
the next
TERM 5
locus
DEFINITION 5
a genes specific location along the length of the chromosome
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Heredity

Heredity is the passing of traits to offspring (from its parent or ancestors). TERM 2

Genetics

DEFINITION 2 the scientific study of heredity and hereditary variation TERM 3

Genes

DEFINITION 3 A gene is a unit of heredity in a living organism. TERM 4

Gametes

DEFINITION 4 Reproductive cell that transmit genes from one generation to the next TERM 5

locus

DEFINITION 5 a genes specific location along the length of the chromosome

Asexual Reproduction

Asexual reproduction is reproduction which does not involve meiosis, ploidy reduction, or fertilization. A single individual is the sole parent and passes copies of all its genes to its offspring TERM 7

clone

DEFINITION 7 a group of genetically identical individuals TERM 8

Sexual Reproduction

DEFINITION 8 Sexual reproduction is characterized by processes that pass a combination of genetic material to offspring, resulting in increased genetic diversity. TERM 9

Life Cycle

DEFINITION 9 generation to generation sequence of stages in the reproductive history of an organism, from conception to production of its own offspring TERM 10

Somatic Cell

DEFINITION 10 Any cell other than those is gamete formation. has 46 chromosomes

What kind of chromosome does a female egg

have?

An X TERM 17

What kind of chromosome does a male sperm

have?

DEFINITION 17 An X or Y TERM 18

Fertilization

DEFINITION 18 is the fusion of gametes to produce a new organism. TERM 19

zygote

DEFINITION 19 is the initial cell formed when a new organism is produced by means of sexual reproduction. Contains two haploid sets of chromosomes TERM 20

What are the only cells in the human body not

produced by mitosis

DEFINITION 20 the gametes

Sporophyte

multicellular diploid stage TERM 22

Spores

DEFINITION 22 Meiosis in the sporophyte produces haploid cells TERM 23

Gametophyte

DEFINITION 23 A gametophyte is the haploid, multicellular phase of plants and algae that undergo alternation of generations, with each of its cells containing only a single set of chromosomes (haploid) TERM 24

Synapsis

DEFINITION 24 Synapsis is the pairing of two homologous chromosomes that occurs during meiosis. TERM 25

Crossing

Over

DEFINITION 25 genetic rearrangement between nonsister chromatids