If the gene for blue eyes is recessive and if a child have blue eyes, which of the following must be true?
Correct answer: C. each parent has at least one blue eye gene
- A. both parents have blue eyes
- B. the child's sibling has brown eyes
- C. each parent has at least one blue eye gene
- D. at least one parent must have blue eyesHire Local Nannies
Explanation
A child with blue eyes must have two recessive blue-eye alleles, receiving one from each parent. Therefore, each parent must carry at least one blue-eye gene, even if a parent has brown eyes.
Last updated
Practise Developmental Psychology
357 free Developmental Psychology MCQs from Psychology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Psychology questions like this
Psychology is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
Related questions
30-year-old woman tells a friend that she doesn't want to marry because she is afraid of losing her freedom and independence. Erikson would say that she is having difficulty with the psychosocial task of ______________?
A brain wave not evident in the newborn is the _____________?
A change in the structure of a gene that leads to minor of major changes in an organism's physical constitution is ____________?
A child in Piaget's preoperational stage is given a toy and attempts to eat it. This child is demonstrating ____________?
A child is creating new schemata to account for new information, Piaget calls this process _________________?