What gas was non existent 2.5 billion years ago

A certain species of plant has four unlinked genetic loci, w, x, y, and z. each genetic locus has one dominant allele and one recessive allele.

Explain why the size of your muscles is partly an acquired trait, and partly dependent on DNA.

Why does earth have such a diversity of plant and animal life? give three reasons.

gametes, which are sex cells, carry the alleles. Why must a gamete carry one allele (represented by a letter) from each gene? meaning, why can't a gamete carry an "hh" instead of an "hs" or an "Hh" instead of a "HS?''

What is dna used for in eukaryotic cells?

Which process wears away tall sandstone rock formations due to wind? abrasion deflation impact plucking

Where does mitosis occur

The crucian carp, a Scandinavian fish, thrives in shallow ponds that freeze over during winter. While other creatures in the pond does from lack of oxygen, these carp are able to obtain energy through a biochemical pathway that does not require

Tulang rusuk yang bersambung dengan tulang punggung tetapi tidak berhubungan sama sekali dengan tulang dada

Animals can undergo lactic acid fermentation. A) true B) false