Genes on same chromosome can be
Linked
Homologous
Autosomes
Identical alleles
Incomplete dominance is shown by
Change of male and female parents during crosses is known as
Study of improvement of human race by providing ideal nature is
Match the columns :
Column $I$ |
Column $II$ |
$(1)$ Lethal mutation | $(a)$ Mutation caused by external factors |
$(2)$ Spontaneous mutation | $(b)$ They are metabolic errors |
$(3)$ Induced mutation | $(c)$ As a result the mutant dies |
$(4)$ Biochemical mutation | $(d)$ Most of the mutations occurs in nature are of this type. |
$MN$ factors are due to