This pedigree shows the inheritance of Tay-Sachs in a family. Tay-Sachs is a recessive disorder that causes cells to be unable to break down waste products. These wastes build up in brain cells and cause damage and eventual death.

Which numbers have the genotypes of tt?

TT = normal
Tt = carrier
tt = disease

a
1, 2, 3, 4, 6, 7, 8, 9, 12, & 13
b
5, 10, 11, & 14
c
5, 6, 7, 8, & 9
d
10, 11, 12, 13, & 14

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.