How many sperm cells fertilize an egg cell?

Most ___ have only one circular strand of DNA

Males have only one copy of each type of sex chromosome; therefore, all sex-linked genes are expressed, even recessive alleles. Based on this information, which statement is true?

Even though ntlers eventu lly h rden nd f ll off, wh t is the best evidence th t ntlers re living p rt of deer? A. They perform life processes necess ry for growth nd development of m le deer. B.

A recessive gene located on the X chromosome is the cause of hemophilia in affected individuals. Males are more likely to have hemophilia than females because

What is the definition of consumers in science

Excessive use of fertilizers has little impact on aquatic life. Explain.

When conducting an experiment on how stimuli are represented by the firing of neurons, you notice that neurons respond differently to different faces.

Inferring on the Galapagos island, Darwin discovered birds with differently shaped beaks. What might this tell you about the eating habits of birds? Explain.

Diseases caused by errors during meiosis and why?

Kelly hypothesizes that if she waters a fig tree seedling, it will grow twice as fast as an unwatered seedling. Which of the following steps would compromise her experiment? 1. Plant two fig tree seedlings of the same age 2.