About how many cells make up a blastocyst? Ο Α. 10,000
Β. 1
Ο Ο Ο Ο
Ο C. 100
Ο D. 1,000,000

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

Wich is not standing in the way of astronomers getting a good view of different star

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?