Answer:
100% of the progeny will be speckled
Explanation:
<u>Available data:</u>
- Three colors: dark brown, light brown, and speckled.
- The genotypes for these colors are BB for dark brown, bb for light
brown, and Bb for speckled.
Cross: dark brown crab with a light brown crab
Parentals) BB x bb
Gametes) B B b b
Punnett square)
B B
b Bb Bb
b Bb Bb
F1) Genotype:
4/4 = 100% of the progeny will be heterozygous for the trait, Bb
Phenotype:
4/4 = 100% of the progeny will be speckled
Answer:
Instead of oxygen a creature would also need nutrients. Simple everyday things like water and food.
Explanation:
Although it is kind of impossible to live without oxygen. There are organisms on the earth who do not need it and can survive. They metabolize hydrogen or methane or a number of other compounds.
When TWO FERTILIZE CELLS fuse together and make as one cell. It would undergo to many process and multiplication of cell until it would produce an multi cellular organism that could also produce a fertilize cells and be use for another fertilization
