Biology Chapter: Genetics and Reproduction

<p>Ribosomes (A)</p> Signup and view all the answers

<p>To carry genetic information (D)</p> Signup and view all the answers

<p>Identical twins share the same genetic makeup, while fraternal twins do not. (A)</p> Signup and view all the answers

<p>Meiosis (C)</p> Signup and view all the answers

<p>23 (C)</p> Signup and view all the answers

<p>Mitosis (B)</p> Signup and view all the answers

<p>Autosomes (D)</p> Signup and view all the answers

<p>Phenotype (A)</p> Signup and view all the answers

<p>Polygenic inheritance (B)</p> Signup and view all the answers

<p>Homozygous (A)</p> Signup and view all the answers

<p>Recessive inheritance (D)</p> Signup and view all the answers

<p>Epigenesis (A)</p> Signup and view all the answers

<p>Epigenesis (D)</p> Signup and view all the answers

<p>Rapid development of organs and body systems (A)</p> Signup and view all the answers

<p>Organogenesis (A)</p> Signup and view all the answers

<p>Muscles (D)</p> Signup and view all the answers

<p>Protects the embryo from environmental hazards (A)</p> Signup and view all the answers

<p>The fetus grows rapidly and organs become more complex (D)</p> Signup and view all the answers

<p>An environmental agent that can cause developmental abnormalities (A)</p> Signup and view all the answers

<p>Alcohol consumption during pregnancy (C)</p> Signup and view all the answers

<p>Genes and environment are equally responsible for variations in the trait within the population. (B)</p> Signup and view all the answers

<p>Reaction range (C)</p> Signup and view all the answers

<p>Facilitates the exchange of oxygen, nutrients, and waste products between mother and fetus (C)</p> Signup and view all the answers

<p>Passive correlations (C)</p> Signup and view all the answers

<p>Motivation (A)</p> Signup and view all the answers

<p>A teenager with a strong interest in science chooses to join a science club and attend science-related events. (D)</p> Signup and view all the answers

<p>Unique environmental experiences. (C)</p> Signup and view all the answers

<p>Concordance (D)</p> Signup and view all the answers

<p>Canalization (A)</p> Signup and view all the answers

<p>Errors in cell division, resulting in chromosomal abnormalities (C)</p> Signup and view all the answers

<p>Genetic mutations (D)</p> Signup and view all the answers

<p>Cleft lip or cleft palate (A)</p> Signup and view all the answers

<p>It causes a blend of both parent's traits to appear in the offspring. (D)</p> Signup and view all the answers

<p>An extra chromosome 21. (C)</p> Signup and view all the answers

<p>Understanding how genes and environment interact to influence traits (D)</p> Signup and view all the answers

<p>To assess the risk of having a child with a genetic disorder. (B)</p> Signup and view all the answers

<p>It provides a detailed understanding of gene function and interaction. (A)</p> Signup and view all the answers

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Union of sperm and ovum producing a zygote.

A one-celled organism formed from fertilization.

Twins from two different ova and sperm; fraternal twins.

Twins from a single zygote; identical twins.

Chemical carrying inherited instructions for life.

Sequence of DNA bases governing protein formation.

Coils of DNA containing genes; 23 pairs in humans.

Complete sequence of genes in the human body.

A process where non-sex cells divide, producing cells with identical DNA.

22 pairs of chromosomes not related to sexual characteristics.

The 23rd chromosome pair that determines an individual's sex.

Different forms of a gene that determine traits, affecting the same characteristic.

Having two identical alleles for a specific trait.

The observable traits or characteristics of an individual.

The process that activates or silences genes based on environmental factors.

A measure of how much a trait is influenced by genetics versus environment, expressed as a percentage between 0.0 and 1.0.

The tendency of twins to share the same trait or disorder, indicating genetic similarity.

The potential variations in expressing a hereditary trait influenced by the environment.

The restriction of the expression of certain inherited traits, usually those vital for survival.

How different environments can affect the expression of the same genotype.

When parents provide both genes and an environment that encourages a certain trait in their child.

The unique aspects of a child's environment that influence them differently from siblings.

The characteristic mood and behavior style of a person, influenced by hereditary factors.

Changes in gene expression influenced by environmental factors.

External factors like environment that affect epigenetics.

Times in development when cells are more susceptible to changes.

Errors in cell division resulting in extra or missing chromosomes.

Condition due to an extra 21st chromosome, also known as trisomy-21.

Inheritance pattern where a hybrid trait is expressed partially.

Advice for prospective parents about genetic risks of their offspring.

Study of how heredity and environment influence traits.

Period of development between conception and birth.

Age of an unborn baby, starting from last menstrual cycle.

First stage of prenatal development, from fertilization to 2 weeks.

Attachment of the blastocyst to the uterine wall.

Rapid development of organs and body systems during the embryonic stage.

Natural expulsion of an embryo that cannot survive; also called miscarriage.

Stage from 8 weeks to birth, where rapid growth occurs.

Environmental agent that can cause developmental abnormalities.