Slideshow 1

Question 1

Genetics def

Answer 1

The study of inheritance

Question 2

what are 3 rejected ideas regarding heredity

Answer 2

artistotles blood genetics
the homunculus (mind through semen)
Blending inheritance (we are an average)

Question 3

Artificial selection def

Answer 3

humans choose what traits they want to breed.

Question 4

Intraspecific trait variation meaning?

Answer 4

within a single species there is a varition (ex. colors)

Question 5

Phenotypic variation is including what?

Answer 5

traits, phenotypes, wild type , mutant

Question 6

Trait def

Answer 6

a characteristic of an organism we could look at and categorize

Question 7

phenotype

Answer 7

physical features

Question 8

wild type def

Answer 8

the most common phenotype

Question 9

mutant def

Answer 9

all other phenotypes that arent wild type

Question 10

what is an adaptive phenotype

Answer 10

something that adapts over time. think of domesticated dogs who have face muscles allowing the puppy dog eyes beg

Question 11

scientific name for pea plant

Answer 11

pisum satium

Question 12

how many traits does gregor mendel look at

Answer 12

7

Question 13

mendel self cross phenotypic ratio? genotypic?

Answer 13

P is 3:1
G is 1:2:1

Question 14

mendel back cross phenotypic ratio? Genotypic?

Answer 14

P is 1:1
G is 1:1

Question 15

do parents transmit phenotypes directly?

Answer 15

NO

Question 16

4 points for mendels model

Answer 16

1. each individual has 2 copies of a factor (one from each parent)
2. There are 2 variants of each gene (alleles) which combine to form the Genotype (Xx)
3. there is a dominance hierarchy among alleles (X>x)
4. INdividuals pass on one copy of the factor in egg and sperm according to the principle of equal segregation

Question 17

principle of equal segregation def

Answer 17

individuals pass on one copy of the factor in egg and sperm . so if A/a then 1/2 is A and 1/2 is a

Question 18

Heterozygous

Answer 18

A/a

Question 19

homozygous dominant

Answer 19

A/A

Question 20

homozygous recessive

Answer 20

a/a

Question 21

what is an individual w a heterozygous geneotype

Answer 21

heterozygote

Question 22

what is an individual w a homozygous genotype

Answer 22

homozygote

Question 23

Single Gene Inheritance def

Answer 23

phenotype is determined by variation at a single gene

Question 24

mendelian inheritance def

Answer 24

synonym for single gene

Question 25

mendelian trait def

Answer 25

a trait whose phenotype follows single gene inheritance

Question 26

mendelian trait example

Answer 26

seed color in pea plants