Bio Exam 2 Part 2

Front 1

transmission of traits from one generation to the next is called

Back 1

hereditary or inheritance

Front 2

what is the study of hereditary and variation?

Back 2

Genetics

Front 3

Offspring acquire genes from parents by inheriting their

Back 3

chromosomes

Front 4

what type of reproduction has a single individual pass along copies of all its genes to its offspring?

Back 4

asexual reproduction

Front 5

asexual reporduction occurs by meiosis or mitotic cell division?

Back 5

mitotic cell division

Front 6

Meiosis is associated with what type of reproduction?

Back 6

sexual

Front 7

what is the process where two parents give rise to offspring through the fusion of gamets produced by meiosis

Back 7

sexual reproduction

Front 8

what is teh generation-to-generation sequence of stages in the reporductive history of an organism?

Back 8

life cycle

Front 9

what starts at the conception of an organism until it produces its own offspring?

Back 9

life cycle

Front 10

in humans each somatic cell has how many chromosomes?

Back 10

46

Front 11

what are somatic cells?

Back 11

any cell other than sperm or ovum

Front 12

what is a karyotype?

Back 12

displays 46 chromosomes, shows 23 paris of chromsomes

Front 13

what kind of chromosome pairs carry genes that control the same inherited characters and have the same length, centromere positiona dn staining pattern

Back 13

homologous chromosome

Front 14

exception to the rule of homolgous chromsomes is found in what kind of chromsomes?

Back 14

sex chromosomes

Front 15

Human females have or do not have homologous pair of X chromosomes?

Back 15

they do

Front 16

besides the X and Y chromosomes what are the other pairs of chromosomes called?

Back 16

autosomes

Front 17

A cell with a single chromosome is called?

Back 17

haploid

Front 18

through means of sexual intercourse a halpoid sperm reaches and fuses with a . . .

Back 18

haploid ovum

Front 19

what is it called when a haploid sperm fuses with a haploid ovum resulting in fertilization?

Back 19

syngamy

Front 20

sperm cells or ova are called

Back 20

gametes

Front 21

fertilized egg is called?

Back 21

zygote

Front 22

gametes are devloped where?

Back 22

gonads

Front 23

gametes undergo the pprocess of mitosis or meiosis?

Back 23

meiosis

Front 24

there are three major kinds of life cycles

Back 24

zygotic, gametic and sporic

Front 25

which of the three major kinds of life cycles are observed in some of the algae, cellular slime modls and fungi?

Back 25

zygotic

Front 26

zygote undergoes mitotis or meiosis?

Back 26

meiosis creating haploid spores

Front 27

whihc of the three types of life cycles is observe din humans and all other animals?

Back 27

gametic life cycle

Front 28

which of the three types of life cycles is observed in multicellular plants and some algae

Back 28

sporic life cycle

Front 29

reproductive cells in the gametophytes undergo mitosis or meiosis to produce gamets?

Back 29

mitosis

Front 30

Mitosis or Meiosis reduces chromsome number by copying the chromosomes once but dividng twice?

Back 30

meiosis

Front 31

first division of meiosis is. .

Back 31

Meiosis I, separates homologous chromosomes

Front 32

second division of meiosis is. .

Back 32

Meiosis II, separates sister chromatids

Front 33

Meiosis I occurs in 4 phases

Back 33

prophase, metaphase, anaphase and telophase

Front 34

T/F all four phases of meiosis is genetically identical and joined at the centromere

Back 34

true

Front 35

what is the process called when special proteins attach homolgous chromosomes tightly together?

Back 35

synapsis

Front 36

what are the chromatids of homologous chromsomes that are crossed at several sites and segments of chromosomes are traded?

Back 36

chiasmata