For a human baby to be born a boy he must receive

a. an X chromosome from the father.

b. a Y chromosome from the mother.

c. a Y chromosome from the father.

d. both an X and a Y chromosome from the father.

What type of molecule do animal cells use for long-term energy storage starch, sugar, ADP, OR FAT

Who was Harriet Tubman and why is the news of her appearing on the face of the $20 bill significant?

A group of scientists studied the invasion of a species in an area and its effect on the population of a native species. Study the given data and determine the percent decrease in the native species population between years 1 and 2 and years 2 and 3.

Basking in the sun swimming increasing or decreasing activity level These are all activities a cold-blooded reptile may do to maintain A) homeostasis. B) body weight. C) peer dominance. D) blood sugar levels.

The digestive tract of the elderly are often worn out and do not absorb nutrients and fluids well. true or false

Is 28.5 cm tall qualitative or quantitative data

What is the product of transcription and translation

Which of the following would be considered a benefit of overpopulation A the increase in genetic variation of a population B the exponential growth of a population C the exchange of genetic material between populations D the change in an ecosystem

Which degree of contusion is characterized by superficial and some deep tissue damage, mild to moderate weakness with no muscle spasm, moderate loss of function, ecchymosis and swelling, and decreased ROM?

How many chromosomes do humans have?