If a man expresses an X-linked recessive trait, his ____________________ was either homozygous or heterozygous

for the traitFill in the blank(s) with the appropriate word(s).


mother

Biology & Microbiology

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An individual who is homozygous ________

A) expresses the dominant trait B) carries two different alleles for a gene C) carries two copies of the same allele for a gene D) expresses the recessive trait

Biology & Microbiology

During an infection with Listeria, an intracellular bacterium, APCs will present antigen on MHC II molecules.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Proteins are made in the ____________________, but are present in all parts of the cell. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Define epistasis and give an example

What will be an ideal response?

Biology & Microbiology