unit 6

Question 1

mitosis type of reproduction

Answer 1

asexual

Question 2

meiosis type of reproduction

Answer 2

sexual

Question 3

mitosis type of cells

Answer 3

body cells

Question 4

meiosis type of cells

Answer 4

gametes

Question 5

mitosis haploid or diploid

Answer 5

diploid

Question 6

meiosis haploid or diploid

Answer 6

haploid

Question 7

mitosis number of chromosomes in daughter cells

Answer 7

46

Question 8

meiosis number of chromosomes in daughter cells

Answer 8

23

Question 9

mitosis identical or unique

Answer 9

identical

Question 10

meiosis identical or unique

Answer 10

unique

Question 11

mitosis purpose

Answer 11

growth and repair

Question 12

meiosis purpose

Answer 12

reproduction

Question 13

crossing over

Answer 13

homologous chromosomes swap sections to create unique combinations

Question 14

disjunction

Answer 14

normal separation or moving apart of chromosomes

Question 15

synapsis

Answer 15

the pairing of homologous chromosomes

Question 16

nondisjunction

Answer 16

failure of separating chromosomes

Question 17

what does meiosis produce

Answer 17

4 unique haploid daughter cells called gametes

Question 18

what are gametes

Answer 18

sex cells (egg or sperm)

Question 19

karyotype

Answer 19

a picture of a set of homologous chromosomes

Question 20

chromosome in males

Answer 20

XY

Question 21

chromosome in females

Answer 21

XX

Question 22

3 of chromosome abnormality

Answer 22

trisomy

Question 23

the chromosomes in a karyotype are arranged to show

Answer 23

homologous pairs

Question 24

probability

Answer 24

chance of something occuring

Question 25

who was gregor mendel?

Answer 25

the father of modern genetics

Question 26

genetics

Answer 26

the study of heredity

Question 27

traits

Answer 27

physical characteristics that organisms possess, ex: hair and eye color

Question 28

zygote

Answer 28

fertilized eggs

Question 29

hybrid

Answer 29

organism that has a combination of two different alleles

Question 30

alleles

Answer 30

the alternate forms of a gene, you get one from each parent, ex: blue or brown eyes

Question 31

dominant

Answer 31

the trait that is always shown when present, ex: Bb or BB = purple

Question 32

recessive

Answer 32

the trait that is only shown when it is homozygous, ex: bb = white

Question 33

genotype

Answer 33

the genetic makeup of an organism, ex: BbEe

Question 34

homozygous

Answer 34

organism posses two of the same alleles for a trait, ex: AA or aa

Question 35

heterozygous

Answer 35

organism possess two different alleles for a particular trait, ex: Aa

Question 36

punnett square

Answer 36

table used to diagram the probability of getting certain genotypes

Question 37

monohybrid

Answer 37

cross looks at only one trait

Question 38

dihybrid

Answer 38

cross looks at two traits at a time

Question 39

pedigree

Answer 39

a diagram that shows the inheritance of certain traits through generations

Question 40

how many sex chromosomes do humans have?

Answer 40

1 pair (male is XY and female is XX)

Question 41

how many autosomes do humans have?

Answer 41

22 pairs

Question 42

what is an autosome?

Answer 42

any chromosome that is not a sex chromosome