Summative Test in Science 8

Homozygous dominant allele is represented by the letters ____.

• RR

• Sr

• rr

• Rr

Tags

NGSS.HS-LS3-1

Who pioneered on the study of Genetics?

• Robert Brown

• Carolus Linnaeus

• Charles Darwin

• Gregor Mendel

A pair of dissimilar alleles for a certain trait is called

• Heterozygous genes

• Chromosome

• Allele

• Homozygous genes

It is the study of genes to determine traits inherited by the offspring from the parents.

• Histology

• Genetics

• Zoology

• Botany

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which genotype of an organism is with the same alleles for a trait?

• Homozygous genotype

• Heterozygous genotype

• Polygenes

• Genes

Which pair of alleles are not identical?

• Homozygous

• Allele

• Heterozygous

• Chromosome

The genetic makeup of an organism is called ____.

• Offsprings

• Heredity

• Genotype

• Phenotype

Tags

NGSS.HS-LS3-1

Which of the following is a heterozygous dominant genotype?

• HH

• hh

• HHH

• Hh

A monohybrid cross is a cross using _________.

• a combination of characters

• several factors or characters

• two factors or characters

• a single trait or character

Which does not describe Gregor Mendel?

• Father of Genetics

• Proponent of Law of Dominance

• An Austrian monk

• Author of Punnet Square