Which diagram correctly shows how heterozygous alleles are found on homologous chromosomes? A chromosome is labeled Upper A a.

A chromosome is labeled a a.

2 chromosomes are labeled Upper A and a.

2 chromosomes are labeled a and a.

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids