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Biology
Posted 8 months ago
how are traits passed to offspring?
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Answer from Sia
Posted 8 months ago
Answer
Traits are passed to offspring through genetic inheritance, which involves the transmission of DNA from parents to their offspring.
Solution
a
Genetic Material: Traits are encoded in DNA, which is organized into chromosomes. Each parent contributes one set of chromosomes to the offspring
b
Meiosis and Fertilization: During sexual reproduction, meiosis results in gametes (sperm and eggs) that have half the number of chromosomes. Fertilization restores the full number of chromosomes, combining genetic information from both parents
c
Alleles: Different versions of a gene, known as alleles, can be passed from parents to offspring. The combination of alleles determines the traits of the offspring
d
Dominant and Recessive Alleles: The expression of traits is often determined by whether the alleles are dominant or recessive. Dominant alleles mask the effect of recessive alleles when present
e
Punnett Squares: These are used to predict the probability of an offspring inheriting certain alleles and therefore certain traits
Key Concept
Genetic inheritance is the process by which traits are passed from parents to offspring through the transmission of DNA.
Explanation
Traits are determined by genes, which are segments of DNA. During reproduction, alleles from each parent combine to give rise to the genetic makeup of the offspring, influencing their traits.
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