Reproduction Flashcards

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0
Q

Autosomal cells contain

A

2n chromosomes

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1
Q

Prokaryotes asexually reproduce via

A

Binary fission

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2
Q

Germ cells contain ____ chromosomes

A

Haploid

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3
Q

G1

A

Organelles are creates and the cell grows, restriction point to go into S

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4
Q

S stage of cell cycle

A

Cell replicates it’s genetic material leaving two chromatids bound at centromere. 46 chromosomes 92 chromatids

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5
Q

In autosomal cells division results in two genetically ______ cells

A

Identical

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6
Q

In germline cells, two daughters are/are not equivalent

A

Are not

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7
Q

G2

A

Quality control

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8
Q

In interphase you ____ see chromosomes in a light microscope, they are _____ in chromatin

A

Can’t, condensed

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9
Q

Centrioles

A

Are the organelles which are held in a region called the centrosome until prophase when they form spindle fibers made of micro tubules

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10
Q

Chromosomes condense in

A

Prophase

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11
Q

Nuclear membrane reforms in

A

Telophase

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12
Q

Budding

A

Equal replication followed by unequal cytokinesis. Seen in yeast

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13
Q

Parthenogenesis

A

An adult organism develops from an unfertilized egg. They will be haploid

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14
Q

Meiosis results in _____ cells

A

Haploid

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15
Q

Meiosis 1

A

Reduction division. Homologous chromosomes are separated generating haploid daughter cells

16
Q

Meiosis II

A

Equatorial division

17
Q

Each chromosome has two sister chromatids, two chromosomes and ___ chromatids per tetrad

A

4

18
Q

Sperm are produced in the _____, nourished by _____, _____ cells secrete androgens

A

Seminiferous tubules, Sertoli cells, Leydig cells

19
Q

Sperm is stored in the

A

Epidymis

20
Q

Seminal fluid is made by

A

Seminal vesicles, prostate gland, and bilbourethtal gland

21
Q

At birth all female eggs are _____

A

Primary oocytes, arrested in prophase 1

22
Q

Meiosis creates a ____ and a polar body

A

Secondary oocytes

23
Q

Stuck in _____ until fertilization

A

Metaphase 2

24
Q

Cortical reaction

A

Ca2+ released into the cytoplasm