1.) what is Mutation?
2.) List three symptoms of Down's syndrome.
3.) state four ways each by which genetics has contributed to improvement
in:
(i)medicine
(ii)agriculture
4a.) Explain the term comparative anatomy.
4b.) State four examples of comparative anatomy.
Answers
Definition. A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
What are the symptoms of Down syndrome?
What are the symptoms of Down syndrome?flat facial features.
What are the symptoms of Down syndrome?flat facial features.small head and ears.
What are the symptoms of Down syndrome?flat facial features.small head and ears.short neck.
What are the symptoms of Down syndrome?flat facial features.small head and ears.short neck.bulging tongue.
What are the symptoms of Down syndrome?flat facial features.small head and ears.short neck.bulging tongue.eyes that slant upward.
What are the symptoms of Down syndrome?flat facial features.small head and ears.short neck.bulging tongue.eyes that slant upward.atypically shaped ears.
What are the symptoms of Down syndrome?flat facial features.small head and ears.short neck.bulging tongue.eyes that slant upward.atypically shaped ears.poor muscle tone.