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Freshman Biology Final Exam Review UPDATED Exam Questions and CORRECT Answers $7.99   Add to cart

Exam (elaborations)

Freshman Biology Final Exam Review UPDATED Exam Questions and CORRECT Answers

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  • Course
  • Freshman Biology
  • Institution
  • Freshman Biology

Freshman Biology Final Exam Review UPDATED Exam Questions and CORRECT Answers What is the purpose of a punnett square? - CORRECT ANSWER- to predict the probability of all possible genotypes resulting from a cross Phenotype - CORRECT ANSWER- An organism's physical appearance, or visible trait...

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  • August 19, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Freshman Biology
  • Freshman Biology
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MGRADES
Freshman Biology Final Exam Review
UPDATED Exam Questions and
CORRECT Answers

What is the purpose of a punnett square? - CORRECT ANSWER- to predict the probability
of all possible genotypes resulting from a cross


Phenotype - CORRECT ANSWER- An organism's physical appearance, or visible traits.


Genotype - CORRECT ANSWER- An organism's genetic makeup, or allele combinations.


Genome - CORRECT ANSWER- all of an organism's genetic material


Allele - CORRECT ANSWER- one of a number of different forms of a gene


Homozygous - CORRECT ANSWER- two of the same alleles at a specific locus


Heterozygous - CORRECT ANSWER- two different alleles at a specific locus.


dominant allele - CORRECT ANSWER- An allele whose trait always shows up in the
organism when the allele is present.


recessive allele - CORRECT ANSWER- the allele that is expressed only when two copies are
present.


X chromosome - CORRECT ANSWER- The sex chromosome found in both men and
women. Females have two of these chromosomes; males have one.


Y chromosome - CORRECT ANSWER- the sex chromosome found only in males. When
paired with an X chromosome from the mother, it produces a male child.

, somatic cells - CORRECT ANSWER- any cell of a living organism other than the
reproductive cells.


Gametes - CORRECT ANSWER- reproductive cells


homologous chromosomes - CORRECT ANSWER- Chromosomes that have the same
sequence of genes and the same structure


Meiosis - CORRECT ANSWER- the special type of cell division that results in cells with
half the normal number of chromosomes


What is the purpose of meiosis? - CORRECT ANSWER- to make gametes (sexual
reproduction)


prophase 1, metaphase 1, anaphase 1, telophase 1 - CORRECT ANSWER- stages of meiosis
1


Meiosis II - CORRECT ANSWER- The second division of a two-stage process of cell
division in sexually reproducing organisms that results in cells with half the chromosome
number of the original cell.


Transcription - CORRECT ANSWER- the organic process whereby the DNA sequence in a
gene is copied into mRNA


Where does transcription occur? - CORRECT ANSWER- inside the nucleus of a cell


Mutation - CORRECT ANSWER- change in a DNA sequence that affects genetic
information


Codon - CORRECT ANSWER- three-nucleotide sequence on messenger RNA that codes for
a single amino acid


Anticodon - CORRECT ANSWER- group of three bases on a tRNA molecule that are
complementary to an mRNA codon

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