An X-linked carrier is a

a. homozygous dominant female.
b. heterozygous female.
c. homozygous recessive female.
d. homozygous male.
e. heterozygous male


B

Biology & Microbiology

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X-linked dominant traits are typically expressed

A) much more severely in females because they have two X chromosomes. B) much more severely in males because they have two Y chromosomes. C) much more severely in males because they have only one X chromosome. D) only if X-linked recessive conditions with similar symptoms are also inherited.

Biology & Microbiology

What type of bond is found between two amino acids?

a. Covalent b. Hydrogen c. Ionic d. Peptide e. Amino acids won't form a bond

Biology & Microbiology

The solar system formed ____ billion years ago

a. 4 b. 5 c. 6 d. 7 e. 8

Biology & Microbiology

Which term refers to the process by which large particles are taken in by a cell?

a. Phagocytosis b. Pinocytosis c. Exocytosis d. Diffusion

Biology & Microbiology