Important question of class X chapter herdity and evolution.cbse

1.	Important question of class X chapter herdity and evolution.cbse
Answer» What is a gene? Differentiate b/w HOMOLOGOUS and analogous organs state the laws of medel. how is sex determined in human beings what are the factors that LEAD to speciation is it true that when a new species is emerged the old species is eliminated.Why? what evidence do we have for the origin of LIFE FORMS from inanimate objects/matter? Define fossil fuels. Explain its importance in deciding evolutionary relationships. define- dominant gene recessive gene variation heredity genotype PHENOTYPE inherited traits acquired traits monohybrid cross dihybrid cross

Answer»

What is a gene?

Differentiate b/w HOMOLOGOUS and analogous organs

state the laws of medel.

how is sex determined in human beings

what are the factors that LEAD to speciation

is it true that when a new species is emerged the old species is eliminated.Why?

what evidence do we have for the origin of LIFE FORMS from inanimate objects/matter?

Define fossil fuels. Explain its importance in deciding evolutionary relationships.

define-

dominant gene

recessive gene

variation

heredity

genotype

PHENOTYPE

inherited traits

acquired traits

monohybrid cross

dihybrid cross

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