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2 years ago

Will choose brainliest!

Biology

1 answer:

professor190 [17]2 years ago

7 0

Answer:

2 is one of the grandparents of 12. Genes carry between generations so having dimples (which I will assume is the shaded square) has the same genes of 1 (the other grandparent) because you get genes from both parents and not just one.

Explanation:

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___________changes sperm from round cells to cells that can swim fill in the blank

Tasya [4]

Answer:

hormones

Explanation:

6 0

3 years ago

Use Chargaff’s rules to predict the missing values for E. coli, human, and ox DNA. Round your answers to the nearest whole numbe

Black_prince [1.1K]

Answer:E. coli: Cytosine- 26, Thymine-24

Human: Guanine-20, Cytosine-20

Ox: Guanine-21, Cytosine-21, Thymine-29

Explanation:

Chargaff's rules state that in a given DNA molecule the percentage of Adenine %A is approximately equals the percentage of Thymine %T and the percentage of Guanine %G is approximately equals the percentage of Cytosine %C.

Answer is

E. coli: Cytosine- 26, Thymine-24

Human: Guanine-20, Cytosine-20

Ox: Guanine-21, Cytosine-21, Thymine-29

7 0

3 years ago

What are three processes that contribute to genetic variation during sexual reproduction

brilliants [131]

Crossing over – often, the sister homologous chromosomes of a cell exchange genetic material through recombination of genes.
Independent assortment/random fertilization – there are numerous variety of ways that the chromosomes of the gametes can combine, after meiosis, through fertilization to form a zygote
Mutation – on rare occasion, there is a slight and random change in the genes of a gametic cell caused by environmental factors.

7 0

3 years ago

A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants.

mixer [17]

Answer:

B. a graduated cylinder to measure 30 mL of water for each plant daily

Explanation:

Option A is incorrect because an electronic balance is used to measure the mass of an object and not the volume.

Option C is incorrect because a metric ruler is used to measure the dimension of objects and not the mass.

Option D is incorrect because a thermometer is used to measure temperature and not pH.

The correct option is B. A cylinder is applicable in the measurement of volume of liquids.

7 0

3 years ago

What are some benefits to cities adopting more environmentally friendly approaches to getting rid of waste?

krek1111 [17]

I think it's E ( all of the above )

5 0

3 years ago