These are the possible genotypes RR, Rr, Rr, rr
First 3 carries dominant gene for tongue rolling, so they can do it,
while the 4th genotype rr is homologous for recessive, and he/she can't
perform tongue rolling.
A piece of DNA from the parent to the offspring.
For example when you were born you're mum transferred some of her traits (hair color, personality ect.) on to you. Same with your dad. So you might look like your dad but have the same personality as your mum.
Mark me as a brainlest plz! hope this helps :)
Answer:
water is the universals solvent and the compound that wouldnt disolve is oli because water and oil don't mix
Explanation:
Answer:
parasitism
Explanation:
In evolutionary ecology, parasitism is a symbiotic relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.