Question

question 4
if someone is said to be “heterozygous” for a trait, it means that___.
a both alleles for that trait are the same.
b both alleles for that trait are different.
c the alleles for that trait reside at different places on the same chromosome.
d the alleles for that trait reside on different chromosomes.
e the person only carries one, not two, alleles.

Explanation:

In genetics, heterozygous means having two different alleles for a particular gene or trait. For example, if the allele for tallness is 'T' and for shortness is 't', a heterozygous individual for height would have the genotype 'Tt'.

Answer:

B. both alleles for that trait are different.