A cross between a white rooster and a black hen results in 100% gray offspring. When two of the gray offspring are mated, the probable phenotypic ratio seen in their offspring would be___ a) 75% gray, 25% white
b) 25% black, 50% gray, 25% white
c) 75% black, 25% white
d) 100% gray

Hurry 25pts which one of these is involved in both sexual and asexual reproduction a sperm b spores c seeds d eggs

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils