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Which process results in the greatest genetic variation in a population?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
A cross is performed between two organisms with the genotypes AaBb and aabb. What genotypes in the offspring are the result of recombination?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
A parent organism of unknown genotype is mated in a test cross. Half of the offspring have the same phenotype as the parent. What can be concluded from this result?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
If red (RR) is crossed with white (rr) and produces a pink flower (Rr), and tall (D) is dominant to dwarf (d), what is the phenotypic ratio from a cross of Rr dd and rr Dd?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
What is a possible consequence of two base substitution mutations occurring in the same gene?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
A cell with a diploid number of 12 chromosomes undergoes meiosis. What will be the product at the end of meiosis?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
If a person inherited an allele with the same base substitution mutation from both parents, what sequences could be altered from normal in the person's cells?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
What is a difference between autosomes and sex chromosomes?
meiosis
Aabb, aaBb
One mRNA base sequence and one polypeptide amino acid sequence only
4 cells each with 6 chromosomes
The parent is heterozygous for the trait.
1:1:1:1, in which 50% are tall, 50% dwarf, 50% pink and 50% white
Sex chromosomes determine gender and autosomes do not.
Two amino acids coded for the gene are changed.
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