7.
down syndrome may be the result of a piece of chromosome 21 breaking off and reattaching to chromosome 14. this type of gene mutation is known as a

base-pair substitution

gene translocation

base-pair inversion

gene duplication

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

(amoeba sisters video recap: pedigrees and need

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d