A recessive allele __________. a. needs to be present on only ...

[SO00]

A recessive allele __________.
 
  a. needs to be present on only one chromosome to be expressed
  b. is never expressed
  c. needs to be present on both chromosomes to be expressed
  d. occurs as a regulatory gene only

Question 2

The observable physical features of an organism comprise its __________.
 
  a. genotype
  b. phenotype
  c. allele frequency
  d. recessive allele

[ndhahbi]

Answer to Question 1

Answer c

Answer to Question 2

Answer b

[SO00]

TYSM

[daiying98]

Thanks for the timely response, appreciate it