What is the name for one half of a chromosome?(1 point)

Responses

protein
protein

centromere
centromere

gene
gene

chromatid

11 answers

The name for one half of a chromosome is chromatid.

Which statement about genetic material is correct?(1 point)
Responses

Centromeres connect two chromosomes.
Centromeres connect two chromosomes.

Genes encode deoxyribonucleic acid.
Genes encode deoxyribonucleic acid.

Chromosomes are made up of genes.
Chromosomes are made up of genes.

Chromatids contain chromosomes.

The correct statement about genetic material is: Chromosomes are made up of genes.

In pea plants, the allele for tall height, T, is dominant over the allele for short height, t. A pea plant has two different alleles for height. Which statement about the pea plant is correct?(1 point)
Responses

The phenotype for height is short, and the genotype is Tt.
The phenotype for height is short, and the genotype is T t .

The phenotype for height is tall, and the genotype is Tt.
The phenotype for height is tall, and the genotype is Tt.

The phenotype for height is tall, and the genotype is TT.
The phenotype for height is tall, and the genotype is TT .

The phenotype for height is short, and the genotype is tt.

The correct statement about the pea plant is: The phenotype for height is tall, and the genotype is Tt.

How are the terms homozygous and heterozygous different?(1 point)
Responses

Heterozygous describes having two of the same allele for a trait, and homozygous describes having two different alleles for a trait.
Heterozygous describes having two of the same allele for a trait, and homozygous describes having two different alleles for a trait.

Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.
Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.

Homozygous describes having recessive alleles for a trait, and heterozygous describes having dominant alleles for a trait.
Homozygous describes having recessive alleles for a trait, and heterozygous describes having dominant alleles for a trait.

Homozygous describes having dominant alleles for a trait, and heterozygous describes having recessive alleles for a trait.

The correct statement is: Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.

How are the terms purebred and hybrid different?(1 point)
Responses

Purebred is a term used for a heterozygous organism, and hybrid is a term used for a homozygous organism.
Purebred is a term used for a heterozygous organism, and hybrid is a term used for a homozygous organism.

Purebred is a term used for an organism with dominant alleles, and hybrid is a term used for an organism with recessive alleles.
Purebred is a term used for an organism with dominant alleles, and hybrid is a term used for an organism with recessive alleles.

Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.
Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.

Purebred is a term used for an organism with recessive alleles, and hybrid is a term used for an organism with dominant alleles.

The correct statement is: Purebred is a term used for a homozygous organism, and hybrid is a term used for a heterozygous organism.

What is the scientific term for a section of a chromosome?(1 point)
Responses

gene
gene

protein
protein

hemoglobin
hemoglobin

amino acid

The scientific term for a section of a chromosome is gene.