Principles of inheritance and variation Flashcards Preview

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Flashcards in Principles of inheritance and variation Deck (15)
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1

Inheritance

the transfer of character from parent to progeny

2

varaiation

the degree by which pogeny differs from parent

3

genetics

The branch of science which deals with the inheritance as well as the variation of characters from parent to offspring

4

indian wild cow ae selected by

sahiwal of punjab
domentication , artificial selection

5

mendel was born on

july 22, 1822

6

he worked on what law for how many years

law of inheritance for 7 years ( 1856-1863)

7

character and traits

feature of a individual: stem height
Distingushible feature that may lead to varation: tallness or dwarfness

8

why pea plant

constaing characters
large no of seeds
completes lifecycle in one season
true breederseasy coss pollinatuon

9

7 character 14 traits

seed shape: Round/ wrinkles
seed colour: yellow/ green
pod shape : full/ constricted
pod colour: Green/ yellow
flower colour: violet/ white
flower arrangment: axial/ terminal
stem height tall/ dwarf

10

how many variants mendel took before and after

34
22
14

11

pure line

was coined by johannsen in 1900
it showls stable trait inheritance for several gen

12

who coined the term gene

Johannsen

13

which trait is present o 7th chromosomes

seed shape

14

Allele was identified by

Basteson

15

chormosomes in pea

7 chromosome
only 4 associated
7: seed shape
1 seed colour, flower colour
4: flower position, pod shape, stem height
5: pod colour