In humans, having freckles is dominant to no freckles. In a genetic cross of a homozygous dominant parent with a homozygous recessive parent, what percent of the offspring should have freckles?

a. 100

b. 75

c. 50

d. 20

You can detect dna that is specifically from the x chromosome in a dna sample from a person. why can't you definitively determine the gender of that person (male or female) from the presence of the x chromosome?

A scientist makes a discovery that suggests a hominid species created and used relatively sophisticated tools. The scientist decides to publish his findings.

What are the consequences to utilizing DNA technology in forensics? Check all that apply.

Where should the hyphen be placed? An ex high school standout, he enjoyed a stellar college career at the University of Kansas. A - An ex high school standout, he enjoyed a-stellar college career at the University of Kansas.

Stars that are medium-sized are More than ten times the size of our sun. Less than half the size of our sun. About the size of our sun. About four times the size of our sun.

Researchers want to know if the concentration of ammonia in the James River is above the safe level for consumption. They take samples and develop a data set.

What process produces usable energy in cells

Whales have what seem like remnants of a pelvis and femur, as shown here. What are these structures an example of? transitional structures analogous structures vestigial structures adapted structures

In humans, having freckles is dominant to no freckles. In a genetic cross of a homozygous dominant parent with a homozygous recessive parent, what percent of the offspring should have freckles? a. 100 b. 75 c. 50 d. 20

Natural selection will only led to evolution if it allows for an organism to