At the very end of the cladogram at the very top of a clade in the middle of a clade along the main trunk of the cladogram
For #1, the answer is A) Ribosomes.
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
The two substances that scientists use are
carbon-14 and carbon-12
Continuous cell lines can be maintained through an indefinite number of generation :)
