Meiosis
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Meiosis. Genetics. Evolution Diversity. Body systems 1. Body Systems 2. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Another name for a sex cell?. Answer- gamete.

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Meiosis

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Meiosis

Meiosis

Genetics

Evolution

Diversity

Body systems 1

Body Systems 2

100

100

100

100

100

200

200

200

200

200

300

300

300

300

300

400

400

400

400

400

500

500

500

500

500


Another name for a sex cell

Another name for a sex cell?

Answer- gamete


Two alleles for each trait separate during meiosis

Two alleles for each trait separate during meiosis

Answer – law of segregation.


How many possible allele combinations in sex cells for a parent ttbb

How many possible allele combinations in sex cells for a parent TtBb?

Answer – four.


What are the allele combinations in the sex cell for a parent that is ttbb

What are the allele combinations in the sex cell for a parent that is TtBb.

Answer – TB, Tb, tB, and tb.


Crossing over and independent assortment create what condition in the offspring

Crossing over and independent assortment create what condition in the offspring?

Answer: genetic recombination or variation.


An alternative form of a gene

An alternative form of a gene?

Answers: allele.


Down s syndrome is an example of what type of genetic disorder

Down’s syndrome is an example of what type of genetic disorder?

Answer: trisomy (an extra chromosome).


In a cross involving incomplete dominance what would rr express

In a cross involving incomplete dominance, what would Rr express?

Answer: a heterozygous intermediate.


Skin color and height are examples of what type of inheritance in humans

Skin color and height are examples of what type of inheritance in humans?

Answer: polygenic.


Meiosis

Which statement is not true of carriers?A.They can pass a gene for a recessive disorder?B.They are heterozygous for a recessive disorder.C.They express the recessive trait.D.They have one dominant allele.

Answer: C.


Many scientists consider to be the first coding system

Many scientists consider ____ to be the first coding system.

Answer: RNA.


Morphological adaptation in which one species resembles another

Morphological adaptation in which one species resembles another?

Answer: mimicry.


Populations modified over time based on specific advantages of specific traits is called

Populations modified over time based on specific advantages of specific traits is called?

Answer: Natural selection.


What is a cladogram

What is a cladogram?

Answer: A diagram that shows evolutionary relationships


Name two components of natural selection

Name two components of natural selection.

Answer: variation, inheritance, (mutations).


What is the function of the subcutaneous part of the integumentary system

What is the function of the subcutaneous part of the integumentary system?

Answer: to regulate temperature.


What cells are involved in bone repair

What cells are involved in bone repair?

Answer: osteoblasts.


Name 2 functions of the skeletal system

Name 2 functions of the skeletal system.

Answer: provide support and store minerals.


What is the purpose of ligaments

DAILY DOUBLE!

What is the purpose of ligaments?

Answer: To connect muscles to bones.


What is an action potential

What is an action potential?

Answer: This is how electrical signals

are relayed .


Part of the nervous system that carries impulses to internal organs

Part of the nervous system that carries impulses to internal organs.

Answer: autonomic nervous system.


Do reflexes

Do reflexes?

Answer:A. Require thought

B. Happen gradually

C. Happen involuntarily


Meiosis

A ______ carries nerve impulses from the body cell to other neurons.

Answer – axon.


What causes oxygen to diffuse from the lungs into the capillaries

What causes oxygen to diffuse from the lungs into the capillaries?

Answer: oxygen concentration is lower in the blood.


An enzyme involved in the digestion of proteins in the stomach

An enzyme involved in the digestion of proteins in the stomach?

Answer: pepsin.


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