Quiz 5

Question 1

What is asexual reproduction?

Answer 1

identical cloning from one parent

Question 2

What is sexual reproduction?

Answer 2

reproduction that requires two different organisms and has variation

Question 3

What is the most common type of reproduction?

Answer 3

asexual

Question 4

What is the paradox of sex?

Answer 4

shows that asexual reproduction does not have variation in gender or at all

Question 5

What is the changing environment hypothesis?

Answer 5

if the environment changes from one generation to another, the change can make parent less able to adapt

Question 6

What ddi Greg Mendel contribute?

Answer 6

he determined how traits are transmitted from parents to offspring

Question 7

What were the two hypotheses?

Answer 7

blending inheritance and inheritance of acquired characteristics

Question 8

What is the theory of bleeding inheritance?

Answer 8

heredity determinants blend

Question 9

What is the theory of inheritance of acquired characteristics?

Answer 9

characteristics that the parent works for is passed on to the offspring

Question 10

What was used to test these hypothesis?

Answer 10

garden peas because they were easy to manipulate and reproduce

Question 11

What were the two major take aways from testing the garden peas?

Answer 11

dominant and recessive traits exist

Question 12

What is particulate inheritance?

Answer 12

hereditary determinants act as distinct entities and do not blend

Question 13

What is a gene?

Answer 13

a hereditary determinant

Question 14

What is an allele?

Answer 14

a version of a gene

Question 15

What is a genotype?

Answer 15

the genetic makeup

Question 16

What is a phenotype?

Answer 16

physical makeup

Question 17

What is the principle of segregation?

Answer 17

each gamete contains one allele of each trait

Question 18

What is a homozygous allele?

Answer 18

it has two copes of the same allele (AA or aa)

Question 19

What is a heterozygous allele?

Answer 19

two different alleles (Aa)

Question 20

What is the table of possible crosses called?

Answer 20

a punnett square

Question 21

What are the two parts of the principle of independent assortment?

Answer 21

1. alleles assort independently into gametes

2. alleles for various traits also assort independently

Question 22

What are hereditary determinants?

Answer 22

chromosomes

Question 23

What is an X linked trait?

Answer 23

A trait that only effects a certain gender (men)

Question 24

What is a wild type?

Answer 24

the most common phenotype

Question 25

What is a mutant type?

Answer 25

a different form of wild type

Question 26

What is gene linkage?

Answer 26

the physical association of genes on a chromosome

Question 27

What is linkage mapping?

Answer 27

examines frequency of crossing over

Question 28

What is the frequency of recombination?

Answer 28

cM (centimorgan)

Question 29

What are the two main exceptions of mender’s rules?

Answer 29

1. sex linkage

2. gene linkage

Question 30

What is a polymorphic trait?

Answer 30

when two or more clearly different phenotypes exist in the same population of a species

Question 31

What is co-dominance?

Answer 31

When heterozygous exhibits both traits at the same time

Question 32

What is plieotrophy?

Answer 32

mutations in one gene that changes multiple phenotype

Question 33

What is an example of pleiotrophy?

Answer 33

Marfan’s Syndrome