Biology WAEC

Heterozygous tall plants were crossed with pure-breeding dwarf plants of the same species. What were the approximate percentages of the offspring?

A. 100% tall 0% dwarf
B. 75% tall 25% dwarf
C. 50% tall 50% dwarf
D. 25% tall 75% dwarf

Correct Answer: Option B

B. 75% tall 25% dwarf

Explanation

A heterozygous tall plant (say Tt) crossed with itself will give a set of TT, tT, Tt and tt. This is 75% tall and 25% dwarf approximately.

Sunday

Share
Published by
Sunday
Tags: Biology

Recent Posts

List of Universities Offering Veterinary Medicine in Nigeria

Veterinary medicine is the branch of medicine that deals with the prevention, diagnosis, and treatment…

4 months ago

List of Universities Offering Anthropology in Nigeria

Anthropology is the scientific study of human beings and their cultures. It encompasses a wide…

4 months ago

List of Universities Offering Sociology in Nigeria

Sociology is the scientific study of human society, culture, and behavior. It examines the social…

4 months ago

List of Universities Offering Social Work in Nigeria

Social Work is a profession dedicated to helping individuals, families, and communities to cope with…

4 months ago

List of Universities Offering Religious Studies in Nigeria

Religious studies is an academic discipline that explores the beliefs, practices, and history of various…

4 months ago

List of Universities Offering Public Administration in Nigeria

Public administration is the field of study and practice that focuses on the organization and…

4 months ago