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ale4655 [162]
3 years ago
14

Two fruit flies that are heterozygous for body color and eye color are crossed. Brown body color is dominant to black body color

. Red eye color is dominant to brown eye color. Use the Punnett square to determine the ratio of offspring with: Brown body and red eyes : Brown body and brown eyes : Black body and red eyes : Black body and brown eyes :
Biology
2 answers:
Anarel [89]3 years ago
8 0
In a double cross of two heterozygotes for both traits ( BrBl  Rbx BrBl  Rb) we would get a <span>9:3:3:1 phenotypic ratio.
9 Brown body, red eyes (both dominant traits)
3 brown body, brown eyes (one dominant, one recessive trait)
3 black body, red eyes ( one recessive and one dominant trait)
1 black body, brown eyes ( both recessive traits)</span>
svlad2 [7]3 years ago
6 0

Answer: 9:16, 3:16, 3.16, 1:16

Explanation:

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The ________________ helps regulate many of your body’s systems. Some of the things that it helps regulate are your body tempera
Firdavs [7]

Answer:

Hypothalamus

Explanation:

The portion of the brain that maintains the body’s internal balance (homeostasis).

The hypothalamus is the link between the endocrine and nervous systems.

The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body.

The hypothalamus plays a significant role in the endocrine system. It is responsible for maintaining your body’s internal balance, which is known as homeostasis. To do this, the hypothalamus helps stimulate or inhibit many of your body’s key processes, including:

Heart rate and blood pressure

Body temperature

Fluid and electrolyte balance, including thirst

Appetite and body weight

Glandular secretions of the stomach and intestines

Production of substances that influence the pituitary gland to release hormones

Sleep cycles

The hypothalamus is involved in many functions of the autonomic nervous system, as it receives information from nearly all parts of the nervous system. As such, it is considered the link between the nervous system and the endocrine system

8 0
3 years ago
Which property would have the greatest percentage of runoff?
Gnesinka [82]

Answer:  The correct option is B. 25% of the area is vegetation and 75% is roofed or paved.

Vegetation can cause precipitation and reduce runoff. Leaves and stems are used in capturing rain and prevents the rainwater to reach the ground. Dense vegetation with higher surface area under vegetation absorbs water and prevents runoff.  Pavements or roofs cause the runoff water by filling the waterways as there is no vegetation for water absorption which leads to overfilled waterways and in turn cause flooding.  

3 0
3 years ago
Read 2 more answers
question 4: an atom with 7 protons, 6 neutrons, and 7 electrons, has an atomic mass of blank amu. (Enter a whole number) ​
Ivanshal [37]
Answer : An atom with 7 protons, 6 neutrons,
and 7 electrons has an atomic mass of 13 amu.
Explanation:
As we are give that,
Number of protons
7
Number of electrons =7
Number of neutrons =6
As we know that,
Atomic number =Number of protons = Number
of electrons =7
Atomic mass = Number of neutrons + Atomic
number
Atomic mass = 6 + 7 = 13 amu
Therefore, the atomic mass is, 13 amu
8 0
2 years ago
During DNA replication, two extra guanine bases are added to the DNA. What type of mutation is this?
Arada [10]

Answer:

Mutations are permanent changes in the DNA due to changes in nucleotide sequences. Mutations that cause addition of extra nucleotides in a nucleotide sequences are known as frameshift mutations

7 0
3 years ago
Read 2 more answers
(02.07 MC)
cricket20 [7]
I think that the answer is 1 and III
3 0
2 years ago
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