Answer:
B. 50%
Explanation2 of the offspring are heterozygous (Yy). 2/4 = 50%
Answer:
Relative age is the age of a rock layer (or the fossils it contains) compared to other layers. ... Absolute age is the numeric age of a layer of rocks or fossils. Absolute age can be determined by using radiometric dating.
<span>Ecologists study populations by studying changes in growth rates, distributions and genetic compositions. I think through population studies, ecologists can get an idea about the conditions that are influencing the populations being studied. They can also discover how these changes would impact other interacting populations.</span>
Answer:
A. Where to air masses meet
Explanation:
Answer:
A gene mutations can be defined as the permanent alteration in the sequence of the DNA that makes the gene. Gene mutation may give rise to genetic variations or from the genetic recombination. These variations are known to alter the gene activity and the function of the protein. These variations in the protein or gene activity give rise to different traits in an organism.
If the trait is beneficial and helps the organism to survive and reproduce, such variation is likely to be passed to the next generation.
